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73-900: Vale do Javari is home to 3,000 indigenous peoples of Brazil with varying degrees of contact, including the Matis , the Matses , the Kulina , and others. The uncontacted indigenous peoples are estimated to be more than 2,000 individuals belonging to at least 14 tribes including the Isolados do Rio Quixito , Isolados do Itaquai ( Korubo ), Isolados do Jandiatuba , Isolados do Alto Jutai , Isolados do Sao Jose , Isolados do Rio Branco , Isolados do Medio Javari and Isolados do Jaquirana-Amburus . These are believed to be living deep inside its reservation areas. The uncontacted tribes live in some 19 known villages identified by air. According to Fabricio Amorim from

146-647: A Country of Wild, Naked, Grim, Man-Eating People in the New World, America . There are documented accounts of smallpox being used as a biological weapon by some Brazilian villagers seeking to eliminate nearby Amerindian tribes, not always aggressively. One notable instance, according to anthropologist Mércio Pereira Gomes, occurred in Caxias, in southern Maranhão. Local farmers, desiring more land for their cattle farms, gave clothing from sick villagers (which would normally have been burned to prevent further infection) to

219-479: A high extinction rate. To investigate this further, we applied a novel principal components multiple logistic regression test to Bayesian serial coalescent simulations. The analysis supported a scenario in which European colonization caused a substantial loss of pre-Columbian lineages." Linguistic studies have supported genetic findings, revealing ancient patterns between the languages spoken in Siberia and those in

292-547: A network of national research and dissemination components, comprising: Also in Rio are five boards and a school: Executive Directors (ED), Directorate of Research (DPE), Department of Geosciences (DGC), Department of Informatics (DI), Center for Documentation and Information Dissemination (CDDI) and the National School of Statistical Sciences  [ pt ] , a degree-granting institution. The Directorate of Research

365-834: A result, reservation lands suffered massive deforestation and flooding. The public works projects attracted very few migrants, but those who did arrive—largely poor settlers—brought new diseases that further devastated the Amerindian population. The 1988 Brazilian Constitution recognizes the right of Indigenous peoples to pursue their traditional ways of life and to the permanent and exclusive possession of their "traditional lands," which are demarcated as Indigenous Territories . Additionally, Indigenous peoples are legally recognized as one of several " traditional peoples ". In practice, however, Brazil's Indigenous people still face significant threats and challenges to their continued existence and cultural heritage. The process of land demarcation

438-660: A seismic political shift occurred when the Brazilian military took control of the government and abolished all existing political parties, creating a two-party system. For the next two decades, Brazil was ruled by a series of generals. The country's mantra was "Brazil, the Country of the Future," which the military government used to justify a massive push into the Amazon to exploit its resources, aiming to transform Brazil into one of

511-599: A third migrant wave. The initial settlement of the Americas was followed by a rapid expansion southward along the coast, with limited gene flow later, especially in South America . An exception to this is the Chibcha speakers, whose ancestry includes contributions from both North and South America. Another study, focused on mitochondrial DNA ( mtDNA ), which is inherited only through the maternal line, revealed that

584-528: Is conducted solely by the IBGE, as enshrined in law. Comprehensive demographic data is collected on the population (including age, income, sex, etc.), as well as housing stock. Unlike approaches taken in other countries (e.g., the United States ), the questionnaire asks respondents to self-identify by skin color , phrasing the question as " Color or Race ". The most recent census was conducted in 2010;

657-410: Is now Brazil. The 2010 Brazil census recorded 305 ethnic groups of Indigenous people who spoke 274 Indigenous languages ; however, almost 77% speak Portuguese. Historically, many Indigenous peoples of Brazil were semi- nomadic and combined hunting, fishing, and gathering with migratory agriculture. Many tribes faced extinction as a result of European settlement, and many others were assimilated into

730-459: Is responsible for estimating populations annually for every municipality in the country, and these population counts enhance the quality of estimates. The first population count was conducted in 1996, not only to update population data, but also to get municipality level data after the emergence and redefinition of new municipalities after the census of 1991. The most recent count was done in 2007, delayed from 2005 because of budgetary concerns, and

803-525: Is responsible for planning and coordinating the research of nature and processing of statistical data collected by the state units; the Department of Geosciences is responsible for basic cartography , the national geodetic system, with a survey of natural resources and environment and by survey and geographical studies. The Center for Documentation and Information Dissemination is responsible for documentation and dissemination of information produced by

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876-756: Is slow, often involving protracted legal battles, and FUNAI lacks sufficient resources to enforce legal protections on Indigenous lands. Since the 1980s, exploitation of the Amazon Rainforest for mining, logging, and cattle ranching had surged, which poses a severe threat to the region's Indigenous population. Settlers illegally encroaching on Indigenous land continue to destroy the environment necessary for traditional ways of life, provoke violent confrontations, and spread disease. Brazilian Institute of Geography and Statistics The Brazilian Institute of Geography and Statistics ( Portuguese : Instituto Brasileiro de Geografia e Estatística ; IBGE )

949-514: Is the agency responsible for official collection of statistical , geographic , cartographic , geodetic and environmental information in Brazil . IBGE performs a decennial national census ; questionnaires account for information such as age, household income , literacy , education , occupation and hygiene levels. IBGE is a public institute created in 1936 under the name National Institute of Statistics . Its founder and chief proponent

1022-637: The Tupi (speakers of Tupi–Guarani languages ), who occupied almost the entire length of the Brazilian coast, and the Tapuia (a general term for non-Tupi groups, usually Jê-speaking peoples), who primarily resided in the interior. The Portuguese arrived at the end of a long pre-colonial conflict between the Tupis and Tapuias, which had led to the defeat and expulsion of the Tapuias from most coastal areas. Although

1095-812: The Amazon River basin from the Northwest. The second and third migratory waves from Siberia, which are thought to have led to the Athabaskan , Aleut , Inuit , and Yupik people , apparently did not reach farther than the southern United States and Canada , respectively. An analysis of Amerindian Y-chromosome DNA reveals specific clustering within much of the South American population. The micro-satellite diversity and distributions of Y-chromosome lineages specific to South America suggest that certain Amerindian populations have been isolated since

1168-591: The Amazon River up to the delta, and the Nuaraque group, whose constituent tribes inhabited several areas, including most of the upper Amazon (west of present-day Manaus ) and significant pockets in modern Amapá and Roraima states. The names by which different Tupi tribes were recorded by Portuguese and French authors in the 16th century are poorly understood. Most do not seem to be proper names but rather descriptions of relationships, usually familial—e.g., Tupi means "first father," Tupinambá means "relatives of

1241-620: The Amazon rubber boom , natives along the Javari River were subjected to slave raids which were aimed at acquiring a work force to extract rubber. "During the time of the great rubber boom the Indians were often relentlessly hunted, either as labor material or as irreconcilable opponents of the invaders of their tribal lands. This occurred on a large scale in the valley of the Javery, in

1314-732: The Andean civilizations , did not keep written records or erect stone monuments. The humid climate and acidic soil have destroyed almost all traces of their material culture, including wood and bones . Therefore, what is known about the region's history before 1500 has been inferred and reconstructed from limited archaeological evidence, such as ceramics and stone arrowheads . The most conspicuous remains of these societies are vast mounds of discarded shellfish , known as sambaquis , found at some coastal sites that were continuously inhabited for more than 5,000 years. Additionally, substantial "black earth" ( terra preta ) deposits in several places along

1387-573: The Portuguese explorers first arrived in Brazil in April 1500, they found, to their astonishment, a wide coastline rich in resources and teeming with hundreds of thousands of Indigenous people living in a "paradise" of natural abundance. Pero Vaz de Caminha , the official scribe of Pedro Álvares Cabral , the commander of the discovery fleet that landed in the present state of Bahia , wrote a letter to

1460-594: The Roncador Ecological Reserve , situated 35 km south of Brasília. Gives an overview of the economy and describes the phenomena of economic life: production, consumption and wealth accumulation, providing a comprehensive and simplified representation of these data. The System of National Accounts IBGE follows the most recent UN recommendations expressed in the Handbook of National Accounts (System of National Accounts 1993 , SNA), including

1533-1027: The Tamoio Confederation , and the Portuguese. Occasionally, the Amerindians allied with Portugal’s enemies, such as the French during the France Antarctique episode in Rio de Janeiro . At other times, they sided with Portugal against rival tribes. During this period, a German soldier named Hans Staden was captured by the Tupinambá and later released. He documented his experiences in his famous book Warhaftige Historia und Beschreibung eyner Landtschafft der Wilden Nacketen, Grimmigen Menschfresser-Leuthen in der Newenwelt America gelegen (1557), which translates to True Story and Description of

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1606-669: The Xingu National Park , was established by the federal government in 1961. During the social and political upheaval of the 1960s, reports of mistreatment of Amerindians increasingly reached Brazil's urban centers and began to affect public opinion. In 1967, following the publication of the Figueiredo Report , commissioned by the Ministry of the Interior, the military government launched an investigation into

1679-581: The "relatives of the ancients" (Tupinambá), which could mean relatives of the Tamoio or a Tamoio term for relatives of the old Tupi in the upper Amazon basin. The "grandsons" (Temiminó) might represent a splinter group, while the "side-neighbors" (Tupiniquim) could denote recent arrivals still establishing their presence. However, by 1870, the Tupi tribes' population had declined to 250,000 Indigenous people, and by 1890, it had diminished to approximately 100,000. When

1752-484: The 1950s, American archaeologist Betty Meggers , in some of her earliest research, suggested that the society migrated from the Andes and settled on the island. Many researchers believed that the Andes were populated by Paleoindian migrants from North America, who gradually moved south after being hunters on the plains. In the 1980s, American archaeologist Anna Curtenius Roosevelt led excavations and geophysical surveys of

1825-435: The 2016 count was completely cancelled for similar reasons. The agricultural census collects information on agricultural establishments, forests and/or aquaculture of all municipalities of the country. The goal of this research is to update previous census data and to provide information about economic, social, and environmental farming. Since 1996, the census has occurred roughly every 10 years. The 1996 agricultural census

1898-555: The 2020 census was delayed to 2022 due to the COVID-19 pandemic . A simpler population count (contagem de população) is theoretically made in the interval between two censuses, starting in 1996. These aim to update the data on the number of inhabitants, of great importance to Brazil's cities, because annual grants from the Municipalities Participation Fund are determined mainly by population. The IBGE

1971-611: The Acre country, and in the Itenez basin in Bolivia..." In October 2009, a plane with eleven people aboard emergency-landed in the middle of the reservation. People from the Matis tribe found the wreckage and alerted local authorities, who dispatched a rescue mission that flew nine survivors out of the reservation. Vale do Javari is the setting of the 2011 report The Unconquered: In Search of

2044-441: The Amazon are believed to be ancient garbage dumps ( middens ). Recent excavations of these deposits in the middle and upper Amazon have uncovered remains of massive settlements, containing tens of thousands of homes, indicating a complex social and economic structure. Studies of the wear patterns of precontact inhabitants of coastal Brazil found that the surfaces of anterior teeth facing the tongue were more worn than those facing

2117-527: The Amazon's Last Uncontacted Tribes by National Geographic writer Scott Wallace . It details a 76-day expedition in 2002 led by Sydney Possuelo to find the status of the " Arrow People ", an uncontacted tribe. In June 2022, British freelance journalist Dom Phillips and Bruno Pereira , a Brazilian expert on indigenous peoples of Amazonas, were murdered by poachers for helping to protect indigenous people from illegal drug traffickers, miners, loggers, and hunters. In late 2023, Starlink devices introduced

2190-516: The Amazon, was a natural explorer with a keen curiosity. In 1910, he helped establish the Serviço de Proteção aos Índios (SPI), now known as FUNAI ( Fundação Nacional do Índio , National Foundation for Indians). SPI was the first federal agency tasked with protecting Amerindians and preserving their culture. In 1914, Rondon accompanied Theodore Roosevelt on his famous expedition to map the Amazon and discover new species. During these travels, Rondon

2263-597: The Americas across the Bering Strait and along the western coast of North America in at least three separate waves. In Brazil, most native tribes living in the land by 1500 are thought to be descended from the first wave of Siberian migrants, who are believed to have crossed the Bering Land Bridge at the end of the last Ice Age, between 13,000 and 17,000 years ago. This initial migration would have taken some time to reach present-day Brazil, likely entering

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2336-549: The Americas via a coastal route around 16,000 years ago, following a period of isolation in eastern Beringia for approximately 2,400 to 9,000 years after separating from eastern Siberian populations. After spreading rapidly throughout the Americas, limited gene flow in South America resulted in a distinct phylogeographic structure of populations, which persisted over time. All ancient mitochondrial lineages detected in this study were absent from modern data sets, suggesting

2409-670: The Americas. Two 2015 autosomal DNA genetic studies confirmed the Siberian origins of the Native peoples of the Americas. However, an ancient signal of shared ancestry with the Indigenous peoples of Australia and Melanesia was detected among the Native populations of the Amazon region . This migration from Siberia is estimated to have occurred around 23,000 years ago. Brazilian native peoples, unlike those in Mesoamerica and

2482-559: The Amerindians. Instead, the SPI sought to integrate tribal groups into mainstream Brazilian society. The promise of wealth from reservation lands attracted cattle ranchers and settlers, who continued encroaching on Indigenous territories, with the SPI facilitating this intrusion. Between 1900 and 1967, an estimated 98 Indigenous tribes were wiped out. Due largely to the efforts of the Villas-Bôas brothers , Brazil's first Indigenous reserve,

2555-727: The Brazilian National Indigenous People Foundation ( FUNAI ), the region contains "the greatest concentration of isolated groups in the Amazon and the world". The Brazilian government has made it illegal for non-indigenous people to enter the territory; the area (along with its inhabitants) is observed by the government from the air. The region is known for being a trafficking route for cocaine. Illegal activities, like fishing (mostly to export pirarucu and piracatinga ), logging and mining, help criminal groups linked to drug trafficking to launder money and import more drugs to Brazil. During

2628-800: The Europeans, against which they had no natural immunity , leading to high mortality rates. Jesuit priests arrived with the first Governor General as clerical assistants to the colonists, with the intention of converting the Indigenous people to Catholicism . They argued that the Indigenous people should be regarded as human and succeeded in obtaining a Papal bull , Sublimis Deus , which declared that, regardless of their beliefs, they should be recognized as fully rational human beings with rights to freedom and private property, and thus should not be enslaved. Jesuit priests, such as Fathers José de Anchieta and Manuel da Nóbrega , studied and recorded

2701-477: The Indigenous languages and founded mixed settlements, such as São Paulo dos Campos de Piratininga , where colonists and Amerindians lived side by side, spoke the same Língua Geral (common language), and freely intermarried. They also began to establish more remote villages inhabited only by "civilized" Amerindians, known as Missions or reductions (see the article on the Guarani people for more details). By

2774-409: The Indigenous people, including establishing the first Indigenous reserves. The situation for the Amerindians improved around the turn of the century when Cândido Rondon , a man of both Portuguese and Bororo ancestry, and an explorer and progressive officer in the Brazilian army, began working to gain the Amerindians' trust and establish peace. Rondon, assigned to extend telegraph communications into

2847-601: The Jesuits attempted to 'Europeanize' the Indigenous Peoples of Brazil. In the mid-1770s, the fragile coexistence between the Indigenous peoples and the colonists was once again threatened. Due to a complex diplomatic situation involving Portugal, Spain, and the Vatican , the Jesuits were expelled from Brazil, and their missions were confiscated and sold. A number of wars broke out between various tribes, such as

2920-606: The King of Portugal describing in glowing terms the beauty of the land. In "Histoire des découvertes et conquêtes des Portugais dans le Nouveau Monde," Lafitau described the natives as people who wore no clothing but painted their entire bodies red. Their ears, noses, lips, and cheeks were pierced. The men would shave the front, top of the head, and over the ears, while women typically wore their hair loose or in braids. Both men and women accessorized with noisy porcelain collars and bracelets, feathers, and dried fruits. Lafitau also described

2993-552: The SPI was disbanded. The same year, the government established the Fundação Nacional do Índio (National Indian Foundation), known as FUNAI, which is responsible for protecting the interests, cultures, and rights of Indigenous peoples in Brazil. Some tribes have become significantly integrated into Brazilian society. The unacculturated tribes that have been contacted by FUNAI are supposed to be protected and accommodated within Brazilian society to varying degrees. By 1987, it

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3066-439: The SPI. It was soon revealed that the SPI was corrupt and failing to protect natives, their lands, and their culture. The 5,000-page report cataloged atrocities including slavery, sexual abuse, torture, and mass murder. It was alleged that agency officials, in collaboration with land speculators, were systematically slaughtering the Amerindians by intentionally distributing disease-laced clothing. Criminal prosecutions followed, and

3139-478: The Timbira. The clothing infected the entire tribe, who had neither immunity nor a cure. Similar incidents occurred in other villages throughout South America. The 1840s brought trade and wealth to the Amazon with the development of the vulcanization process for rubber , leading to a worldwide surge in demand. The best rubber trees in the world grew in the Amazon, and thousands of rubber tappers began working

3212-400: The ancestors," Tupiniquim means "side-neighbors," Tamoio means "grandfather," Temiminó means "grandson," Tabajara means "in-laws," and so on. Some etymologists believe these names reflect the ordering of migration waves of Tupi people from the interior to the coasts. For example, the first Tupi wave to reach the coast might have been referred to as "grandfathers" (Tamoio), soon joined by

3285-431: The basis of the previous year and chained with reference to 1990 (1990 = 100). The series is seasonally adjusted using X-12-ARIMA , enabling calculation of the rates of change over the previous quarter. The IBGE survey was started in 1988 and restructured after 1998, when their results were integrated into the current System of National Accounts. The annual weights are derived from this new system accounts. IBGE maintains

3358-577: The calculation of Gross Domestic Product (GDP) and the Input-output matrix . Displays the current value and volume indices (1991 = 100) every quarter for the Gross Domestic Product at market prices, taxes on products, value added at basic prices, personal consumption, government consumption, Gross fixed capital formation, changes in inventories, exports and imports of goods and services. Two series of index numbers are calculated:

3431-474: The coastal Tupi and Tapuia tribes were primarily agriculturalists. The subtropical Guarani cultivated maize , tropical Tupi cultivated manioc ( cassava ), and highland Jês cultivated peanuts as the staple of their diet. Supplementary crops included beans , sweet potatoes , cará ( yam ), jerimum ( pumpkin ), and cumari ( capsicum pepper). Behind the coasts, the interior of Brazil was primarily dominated by Tapuia (Jê) people, although significant sections of

3504-408: The coastal Tupi were divided into sub-tribes that were frequently hostile to each other, they were culturally and linguistically homogeneous. The fact that early Europeans encountered essentially the same people and language along the Brazilian coast greatly facilitated communication and interaction. Coastal Sequence c. 1500 (north to south): With the exception of the hunter-gatherer Goitacases ,

3577-549: The colonists, compounded by slavery and European violence. The Indigenous people were traditionally semi-nomadic tribes who subsisted on hunting, fishing, gathering, and migratory agriculture. For centuries, they lived semi-nomadic lives, managing the forests to meet their needs. When the Portuguese arrived in 1500, the natives primarily inhabited the coast and the banks of major rivers. Initially, Europeans viewed them as noble savages , and miscegenation began almost immediately. Portuguese claims of tribal warfare, cannibalism , and

3650-411: The country with the largest number of uncontacted peoples in the world. Questions about the original settlement of the Americas have led to various hypothetical models. The origins of these Indigenous peoples remain a matter of debate among archaeologists . Anthropological and genetic evidence suggests that most Amerindian people descended from migrants from Siberia and Mongolia who entered

3723-463: The deaths of tens of thousands. The diseases spread rapidly along Indigenous trade routes, likely leading to the annihilation of entire tribes without direct contact with Europeans. By 1800, the population of Colonial Brazil had reached approximately 2.33 million, of which only around 174,900 were Indigenous. By 1850, that number had dwindled to an estimated 78,400 out of a total population of 5.8 million. The mutual feeling of wonderment and goodwill

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3796-463: The first evidence of a complex society on Marajó. Further evidence of mound building suggests that well-populated, complex, and sophisticated settlements developed on the island, as only such settlements were believed capable of undertaking extensive projects like major earthworks. The extent, level of complexity, and resource interactions of the Marajoara culture have been subjects of dispute. In

3869-446: The following archives (non-exhaustive list): The legislation, according to Federal Decree No. 73,177 of November 20, 1973 and Law No. 5534 of November 14, 1968, modified by Law No. 5878 of May 11, 1978, deals with the obligation and confidentiality of information collected by IBGE, which is intended exclusively for statistical purposes and has no legal value, not being usable as evidence or proof. Failure to provide information within

3942-614: The general Brazilian population . The Indigenous population was decimated by European diseases, declining from a pre-Columbian high of 2 million to 3 million to approximately 300,000 by 1997, distributed among 200 tribes. According to the 2022 IBGE census, 1,693,535 Brazilians classified themselves as Indigenous, and the census recorded 274 Indigenous languages spoken by 304 different Indigenous ethnic groups. On 18 January 2007, Fundação Nacional do Índio reported 67 remaining uncontacted tribes in Brazil, up from 40 known in 2005. With this increase, Brazil surpassed New Guinea , becoming

4015-538: The initial colonization of the region. According to a 2012 autosomal DNA genetic study, Native Americans descend from at least three main migrant waves from Siberia. Most of their ancestry traces back to a single ancestral population, referred to as the 'First Americans'. However, Inuit-speaking populations from the Arctic inherited nearly half of their ancestry from a second Siberian migrant wave, while Na-dene speakers inherited about one-tenth of their ancestry from

4088-634: The institute as well as coordinating the 27 CDDIs in the country, and the National School of Statistical Sciences, besides being responsible for training the institute's employees, is a federal institution of higher learning that offers the following courses: BA in statistics; specialization in Environmental Analysis and Management Planning, and Masters in Population Studies and Social Research. The IBGE also maintains

4161-509: The interior (notably the upper reaches of the Xingu , Teles Pires , and Juruena Rivers , roughly corresponding to modern Mato Grosso state) were the original pre-migration Tupi-Guarani homelands. In addition to the Tupi and Tapuia, two other Indigenous mega-groups were commonly identified in the interior: the Caribs , who inhabited much of what is now northwestern Brazil, including both shores of

4234-461: The interior to claim territory for the Portuguese crown and to search for gold and precious stones . Intending to profit from the sugar trade , the Portuguese decided to cultivate sugar cane in Brazil and to use Indigenous slaves as the workforce, following the example of the Spanish colonies. However, capturing Indigenous people proved difficult. They were soon afflicted by diseases brought by

4307-600: The internet to a number of remote villages in the area, including the Marubo tribes. This article about a location in the Brazilian state of Amazonas is a stub . You can help Misplaced Pages by expanding it . Indigenous peoples of Brazil The Indigenous peoples in Brazil are the peoples who lived in Brazil before European contact around 1500 and their descendants. Indigenous peoples once comprised an estimated 2,000 district tribes and nations inhabiting what

4380-447: The large-scale agriculture needed to support large populations and complex social formations, such as chiefdoms . The Xingu peoples built large settlements connected by roads and bridges, often featuring moats. Their development peaked between 1200 CE and 1600 CE, with their population reaching into the tens of thousands. On the eve of the Portuguese arrival in 1500, the coastal areas of Brazil were dominated by two major groups:

4453-492: The leading economies of the world. Construction began on a transcontinental highway across the Amazon basin, designed to encourage migration to the region and facilitate trade. Funded by the World Bank , thousands of square miles of forest were cleared without regard for reservation status. Following the highway projects, giant hydroelectric projects were initiated, and vast areas of forest were cleared for cattle ranching. As

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4526-411: The lips. Researchers believe this wear was caused by using teeth to peel and shred abrasive plants . The Marajoara culture flourished on Marajó island at the mouth of the Amazon River . Archaeologists have uncovered sophisticated pottery in their excavations on the island. These pieces are large, elaborately painted, and incised with representations of plants and animals. This discovery provided

4599-429: The maternal ancestry of the Indigenous peoples of the Americas traces back to a few founding lineages from Siberia, likely arriving via the Bering Strait . According to this study, the ancestors of Native Americans likely remained near the Bering Strait for a time before rapidly spreading throughout the Americas and eventually reaching South America . A 2016 study on mtDNA lineages found that "a small population entered

4672-516: The middle of the 16th century, Jesuit priests, at the behest of Portugal's monarchy, had established missions throughout the country's colonies. They aimed to Europeanize and convert the Indigenous populations to Catholicism. Some historians argue that the Jesuits provided a period of relative stability for the Amerindians and opposed using them for slave labor. However, the Jesuits also contributed to European imperialism. Many historians view Jesuit involvement as an ethnocide of Indigenous culture, where

4745-404: The mound Teso dos Bichos. She concluded that the society that constructed the mounds originated on the island itself. The pre-Columbian culture of Marajó may have developed social stratification and supported a population as large as 100,000 people. The Native Americans of the Amazon rainforest may have used their method of developing and working in terra preta to make the land suitable for

4818-417: The plantations. When the Amerindians proved to be a difficult labor force, peasants from surrounding areas were brought in. This created ongoing tension between the Indigenous population and the new arrivals, as the Amerindians felt their lands were being invaded in the pursuit of wealth. In the 20th century, the Brazilian government adopted a more humanitarian approach and began offering official protection to

4891-543: The pursuit of Amazonian brazilwood for its prized red dye convinced the colonists that they needed to "civilize" the natives (originally, the Portuguese named Brazil Terra de Santa Cruz , but it later acquired its current name (see List of meanings of countries' names ) from the brazilwood ). However, like the Spanish in North America, the Portuguese brought diseases to which many Amerindians had no immunity. Measles , smallpox , tuberculosis , and influenza caused

4964-420: The ritualistic nature of their cannibalism practices and highlighted the important role of women in the household. Before the arrival of Europeans, the territory of present-day Brazil had an estimated population of between 1 and 11.25 million inhabitants. During the first 100 years of contact, the Amerindian population was reduced by 90%. This drastic decline was primarily due to diseases and illnesses brought by

5037-478: The specified deadlines, or providing false information is a crime subject to a fine, initially, of up to 10 times the highest minimum wage in the country, and up to twice this limit on later occasions. The best known census is the population census ( Brazilian Portuguese : censo demográfico ). First conducted in its modern form in 1872 , it is now conducted every ten years, usually in years ending in zero. No census took place in 1880, 1910 or 1930 . The census

5110-458: Was appalled by the treatment of the Indigenous people by settlers and developers, and he became their lifelong friend and protector. Rondon, who died in 1958, is considered a national hero in Brazil. The Brazilian state of Rondônia is named in his honor. After Rondon's pioneering work, the SPI was handed over to bureaucrats and military officers, and its effectiveness declined after 1957. The new officials did not share Rondon's deep commitment to

5183-405: Was recognized that unnecessary contact with these tribes was causing illness and social disintegration. Uncontacted tribes are now meant to be shielded from intrusion and interference in their lifestyle and territory. However, the exploitation of rubber and other Amazonian natural resources has led to a new cycle of invasion, expulsion, massacres, and death, which continues to this day. In 1964,

5256-576: Was statistician Mário Augusto Teixeira de Freitas. The current name dates from 1938. Its headquarters are located in Rio de Janeiro , and its current president is Marcio Pochmann , replacing Eduardo Rios Neto. It was made a federal agency by Decree-Law No. 161 on February 13, 1967, and is linked to the Ministry of the Economy , inside the Secretariat of Planning, Budget and Management. IBGE has

5329-436: Was to end in the subsequent years. The Portuguese colonists , all males, began to have children with female Amerindians, creating a new generation of mixed-race people who spoke Amerindian languages, including a Tupi language called Nheengatu . The children of these Portuguese men and Amerindian women soon formed the majority of the population. Groups of fierce explorers organized expeditions known as " bandeiras " (flags) into

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