A census (from Latin censere , 'to assess') is the procedure of systematically acquiring, recording, and calculating population information about the members of a given population , usually displayed in the form of statistics. This term is used mostly in connection with national population and housing censuses ; other common censuses include censuses of agriculture , traditional culture, business, supplies, and traffic censuses. The United Nations (UN) defines the essential features of population and housing censuses as "individual enumeration, universality within a defined territory, simultaneity and defined periodicity", and recommends that population censuses be taken at least every ten years. UN recommendations also cover census topics to be collected, official definitions, classifications, and other useful information to coordinate international practices.
73-515: The Athens City School District is a public school district in Athens County , Ohio , United States , based in Athens, Ohio . The Athens City School District has two primary (PK-3) elementary schools, one intermediate (4-6) elementary school, one middle school, and one high school. Athens County, Ohio Athens County is a county in southeastern Ohio . As of the 2020 census ,
146-660: A base-10 positional system. On May 25, 1577, King Philip II of Spain ordered by royal cédula the preparation of a general description of Spain's holdings in the Indies. Instructions and a questionnaire, issued in 1577 by the Office of the Cronista Mayor, were distributed to local officials in the Viceroyalties of New Spain and Peru to direct the gathering of information. The questionnaire, composed of fifty items,
219-544: A census for tax purposes, which was partially responsible for the development of the Zealot movement and several failed rebellions against Rome ultimately ending in the Jewish Diaspora . The Gospel of Luke makes reference to Quirinius' census in relation to the birth of Jesus ; based on variant readings of this passage, a minority of biblical scholars, including N. T. Wright , speculate that this passage refers to
292-408: A sampling frame such as an address register. Census counts are necessary to adjust samples to be representative of a population by weighting them as is common in opinion polling . Similarly, stratification requires knowledge of the relative sizes of different population strata, which can be derived from census enumerations. In some countries, the census provides the official counts used to apportion
365-412: A sampling frame to count the population. This is the only way to be sure that everyone has been included, as otherwise those not responding would not be followed up on and individuals could be missed. The fundamental premise of a census is that the population is not known, and a new estimate is to be made by the analysis of primary data. The use of a sampling frame is counterintuitive as it suggests that
438-480: A "permanent" address, which might be a family home for students or long-term migrants. A precise definition of residence is needed, to decide whether visitors to a country should be included in the population count. This is becoming more important as students travel abroad for education for a period of several years. Other groups causing problems with enumeration are newborn babies, refugees, people away on holiday, people moving home around census day, and people without
511-477: A clan or tribe, or by a juridical person such as a corporation, cooperative, or government agency. The holding's land may consist of one or more parcels, located in one or more separate areas or one or more territorial or administrative divisions, providing the parcels share the same production means, such as labor, farm buildings, machinery or draught animals. Historical censuses used crude enumeration assuming absolute accuracy. Modern approaches take into account
584-415: A family home during vacations, or children whose parents have separated who effectively have two family homes. Census enumeration has always been based on finding people where they live, as there is no systematic alternative: any list used to find people is likely to be derived from census activities in the first place. Recent UN guidelines provide recommendations on enumerating such complex households. In
657-576: A family was $ 48,170. Males had a median income of $ 38,135 versus $ 31,263 for females. The per capita income for the county was $ 16,642. About 16.6% of families and 30.3% of the population were below the poverty line , including 29.6% of those under age 18 and 9.2% of those age 65 or over. Like most counties dominated by state universities, Athens County is a Democratic stronghold. It was one of only two counties in Ohio to vote for George McGovern over Richard Nixon in 1972 (along with Lucas County ) and in
730-510: A fishing analogy can be found in "Trout, Catfish and Roach..." which won an award from the Royal Statistical Society for excellence in official statistics in 2011. Triple system enumeration has been proposed as an improvement as it would allow evaluation of the statistical dependence of pairs of sources. However, as the matching process is the most difficult aspect of census estimation this has never been implemented for
803-414: A fixed address. People with second homes, because they are working in another part of the country or have a holiday cottage, are difficult to fix at a particular address; this sometimes causes double counting or houses being mistakenly identified as vacant. Another problem is where people use a different address at different times e.g. students living at their place of education in term time but returning to
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#1732790823035876-501: A growing number of retail stores and restaurants. Local government, local school districts, and nonprofit organizations employ many county residents. Historically, the first large-scale industry was salt production. Coal mining and timber harvesting played major roles in Athens County's economy, as did the treatment and care of the mentally ill. The coal industry has declined dramatically from its peak years. Only Buckingham Coal
949-500: A large city, it might be appropriate to give the average income for black males aged between 50 and 60. However, doing this for a town that only has two black males in this age group would be a breach of privacy because either of those persons, knowing his own income and the reported average, could determine the other man's income. Typically, census data are processed to obscure such individual information. Some agencies do this by intentionally introducing small statistical errors to prevent
1022-469: A national enumeration. It would also be difficult to identify three different sources that were sufficiently different to make the triple system effort worthwhile. The DSE approach has another weakness in that it assumes there is no person counted twice (over count). In de facto residence definitions this would not be a problem but in de jure definitions individuals risk being recorded on more than one form leading to double counting. A particular problem here
1095-433: A population and housing census – numbers of people, their distribution, their living conditions and other key data – is critical for development." This is because this type of data is essential for policymakers so that they know where to invest. Many countries have outdated or inaccurate data about their populations and thus have difficulty in addressing the needs of the population. The UNFPA said: "The unique advantage of
1168-560: A population, not just the number of individuals. Censuses typically began as the only method of collecting national demographic data and are now part of a larger system of different surveys. Although population estimates remain an important function of a census, including exactly the geographic distribution of the population or the agricultural population, statistics can be produced about combinations of attributes, e.g., education by age and sex in different regions. Current administrative data systems allow for other approaches to enumeration with
1241-460: A realist approach to measurement, acknowledging that under any definition of residence there is a true value of the population but this can never be measured with complete accuracy. An important aspect of the census process is to evaluate the quality of the data. Many countries use a post-enumeration survey to adjust the raw census counts. This works similarly to capture-recapture estimation for animal populations. Among census experts, this method
1314-704: A separate registration conducted during the reign of Herod the Great , several years before Quirinius' census. The 15-year indiction cycle established by Diocletian in AD 297 was based on quindecennial censuses and formed the basis for dating in late antiquity and under the Byzantine Empire . In the Middle Ages , the Caliphate began conducting regular censuses soon after its formation, beginning with
1387-519: A total area of 508 square miles (1,320 km ), of which 504 square miles (1,310 km ) is land and 4.8 square miles (12 km ) (1.0%) is water. Athens County is located in the Unglaciated Allegheny Plateau region of Ohio. It features steep, rugged hills, with typical relief of 150 to 400 feet, deeply dissected by stream valleys, many of them remnant from the ancient Teays River drainage system. Most of Athens County
1460-453: Is called dual system enumeration (DSE). A sample of households is visited by interviewers who record the details of the household as of census day. These data are then matched to census records, and the number of people missed can be estimated by considering the number of people who are included in one count but not the other. This allows adjustments to the count for non-response, varying between different demographic groups. An explanation using
1533-401: Is important in considering individuals who have multiple or temporary addresses. Every person should be identified uniquely as a resident in one place; but the place where they happen to be on Census Day, their de facto residence , may not be the best place to count them. Where an individual uses services may be more useful, and this is at their usual residence. An individual may be recorded at
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#17327908230351606-469: Is interested; researchers in particular have an interest in the role of Census Field Officers (CFO) and their assistants. Data can be represented visually or analysed in complex statistical models, to show the difference between certain areas, or to understand the association between different personal characteristics. Census data offer a unique insight into small areas and small demographic groups which sample data would be unable to capture with precision. In
1679-714: Is named after the counting of the Israelite population according to the house of the Fathers after the exodus from Egypt. A second census was taken while the Israelites were camped in the " plains of Moab ". King David performed a census that produced disastrous results. His son, King Solomon , had all of the foreigners in Israel counted. One of the world's earliest preserved censuses was held in China in AD 2 during
1752-538: Is not known if there are any residents or how many people there are in each household. Depending on the mode of enumeration, a form is sent to the householder, an enumerator calls, or administrative records for the dwelling are accessed. As a preliminary to the dispatch of forms, census workers will check for any address problems on the ground. While it may seem straightforward to use the postal service file for this purpose, this can be out of date and some dwellings may contain several independent households. A particular problem
1825-423: Is still conducted in a similar way to the post-enumeration survey employed in a traditional census. Other countries that have a population register use this as a basis for all the census statistics needed by users. This is most common among Nordic countries but requires many distinct registers to be combined, including population, housing, employment, and education. These registers are then combined and brought up to
1898-537: Is still mining in the county, in Trimble Township north of Glouster. Gravel and limestone are mined at several quarries in the county. Active oil and natural gas wells are found in low numbers throughout Athens County. Forestry still contributes to the Athens County economy, both in the private sector and in the public sector. The headquarters for Wayne National Forest is located between Athens and Nelsonville. Farming and market gardening continue to thrive in
1971-415: Is students who often have a term time and family address. Several countries have used a system known as short form/long form. This is a sampling strategy that randomly chooses a proportion of people to send a more detailed questionnaire to (the long form). Everyone receives the short-form questions. This means more data are collected, but without imposing a burden on the whole population. This also reduces
2044-491: Is typically collected about the household structure and the housing. For this reason, international documents refer to censuses of population and housing. Normally the census response is made by a household, indicating details of individuals resident there. An important aspect of census enumerations is determining which individuals can be counted and which cannot be counted. Broadly, three definitions can be used: de facto residence; de jure residence; and permanent residence. This
2117-416: Is what is termed " communal establishments ", a category that includes student residences, religious orders, homes for the elderly, people in prisons, etc. As these are not easily enumerated by a single householder, they are often treated differently and visited by special teams of census workers to ensure they are classified appropriately. Individuals are normally counted within households , and information
2190-699: Is within the Hocking River watershed, with smaller areas in the Shade River and Raccoon Creek watersheds. The Hocking River joins the Ohio River at the unincorporated village of Hockingport in Athens County. As of the census of 2000, there were 62,223 people, 22,501 households, and 12,713 families living in the county. The population density was 123 inhabitants per square mile (47/km ). There were 24,901 housing units at an average density of 49 units per square mile (19/km ). The racial makeup of
2263-553: The Han dynasty , and is still considered by scholars to be quite accurate. The population was registered as having 57,671,400 individuals in 12,366,470 households but on this occasion only taxable families had been taken into account, indicating the income and the number of soldiers who could be mobilized. Another census was held in AD 144. The oldest recorded census in India is thought to have occurred around 330 BC during
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2336-719: The Trimble Local School District . They are also served by the Athens County Public Libraries with branches in Albany , Athens , Chauncey , Coolville , Glouster , Nelsonville , and The Plains . 39°20′N 82°03′W / 39.33°N 82.05°W / 39.33; -82.05 Census The UN 's Food and Agriculture Organization (FAO), in turn, defines the census of agriculture as "a statistical operation for collecting, processing and disseminating data on
2409-692: The nomarch , "whence he gained his living". Under the Ptolemies and the Romans several censuses were conducted in Egypt by government officials. There are several accounts of ancient Greek city states carrying out censuses. Censuses are mentioned several times in the Biblical narrative. God commands a per capita tax to be paid with the census for the upkeep of the Tabernacle . The Book of Numbers
2482-437: The population size is already known. However, a census is also used to collect attribute data on the individuals in the nation, not only to assess population size. This process of sampling marks the difference between a historical census, which was a house-to-house process or the product of an imperial decree, and the modern statistical project. The sampling frame used by a census is almost always an address register. Thus, it
2555-412: The 19th and 20th centuries collected paper documents which had to be collated by hand, so the statistical information obtained was quite basic. The government that owned the data could publish statistics on the state of the nation. The results were used to measure changes in the population and apportion representation. Population estimates could be compared to those of other countries. By the beginning of
2628-623: The 2014 gubernatorial election , it was one of only two counties to vote for Democrat Ed FitzGerald over Republican John Kasich (along with Monroe County ). From 2016 to 2020, as Ohio has veered rightward, Athens County has become the lone base of Democratic strength in Appalachian Ohio . The largest employer in Athens County is Ohio University . Other significant employers include Appalachian Behavioral Healthcare, Hocking College , Diagnostic Hybrids, O'Bleness Memorial Hospital, Rocky Brands, Stewart-MacDonald, Wayne National Forest, and
2701-437: The 20th century, censuses were recording households and some indications of their employment. In some countries, census archives are released for public examination after many decades, allowing genealogists to track the ancestry of interested people. Archives provide a substantial historical record which may challenge established views. Information such as job titles and arrangements for the destitute and sick may also shed light on
2774-463: The UK, all census formats are scanned and stored electronically before being destroyed, replacing the need for physical archives. The record linking to perform an administrative census would not be possible without large databases being stored on computer systems. There are sometimes problems in introducing new technology. The US census had been intended to use handheld computers, but cost escalated, and this
2847-406: The age of 18 living with them, 39.3% were married couples living together, 9.2% had a female householder with no husband present, 47.2% were non-families, and 30.0% of all households were made up of individuals. The average household size was 2.35 and the average family size was 2.87. The median age was 26.3 years. The median income for a household in the county was $ 31,559 and the median income for
2920-427: The age of 18 living with them, 43.50% were married couples living together, 9.20% had a female householder with no husband present, and 43.50% were non-families. 28.30% of all households were made up of individuals, and 8.30% had someone living alone who was 65 years of age or older. The average household size was 2.40 and the average family size was 2.92. In the county, the population was spread out, with 18.30% under
2993-467: The age of 18, 30.70% from 18 to 24, 23.70% from 25 to 44, 18.00% from 45 to 64, and 9.30% who were 65 years of age or older. The median age was 26 years. For every 100 females there were 95.60 males. For every 100 females age 18 and over, there were 93.30 males. The median income for a household in the county was $ 27,322, and the median income for a family was $ 39,785. Males had a median income of $ 30,776 versus $ 23,905 for females. The per capita income for
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3066-405: The area. The largest farms specialize in beef and dairy production. The Athens Farmers Market, an outdoor market, continues to grow in popularity. Local and organically grown produce is found in abundance during the summer months. Also, tourism is a large and growing component of the county's economy. The county is a regional music center and home to many arts and crafts businesses. Many visitors to
3139-417: The burden on the statistical office. Indeed, in the UK until 2001 all residents were required to fill in the whole form but only a 10% sample was coded and analysed in detail. New technology means that all data are now scanned and processed. During the 2011 Canadian census there was controversy about the cessation of the mandatory long-form census; the head of Statistics Canada , Munir Sheikh , resigned upon
3212-438: The census is also an important tool for identifying forms of social, demographic or economic exclusions, such as inequalities relating to race, ethics, and religion as well as disadvantaged groups such as those with disabilities and the poor. An accurate census can empower local communities by providing them with the necessary information to participate in local decision-making and ensuring they are represented. The importance of
3285-536: The census is that it represents the entire statistical universe, down to the smallest geographical units, of a country or region. Planners need this information for all kinds of development work, including: assessing demographic trends; analysing socio-economic conditions; designing evidence-based poverty-reduction strategies; monitoring and evaluating the effectiveness of policies; and tracking progress toward national and internationally agreed development goals." In addition to making policymakers aware of population issues,
3358-443: The census of agriculture , data is collected at the agricultural holding unit. An agricultural holding is an economic unit of agricultural production under single management comprising all livestock kept and all land used wholly or partly for agricultural production purposes, without regard to title, legal form, or size. Single management may be exercised by an individual or household, jointly by two or more individuals or households, by
3431-474: The census of agriculture for development is that it gives a snapshot of the structure of the agricultural sector in a country and, when compared with previous censuses, provides an opportunity to identify trends and structural transformations of the sector, and points towards areas for policy intervention. Census data are used as a benchmark for current statistics and their value is increased when they are employed together with other data sources. Early censuses in
3504-563: The census of agriculture, users need census data to: Although the census provides useful statistical information about a population, the availability of this information could sometimes lead to abuses, political or otherwise, by the linking of individuals' identities to anonymous census data. This is particularly important when individuals' census responses are made available in microdata form, but even aggregate-level data can result in privacy breaches when dealing with small areas and/or rare subpopulations. For instance, when reporting data from
3577-575: The central government. Differing release strategies of governments have led to an international project ( IPUMS ) to co-ordinate access to microdata and corresponding metadata. Such projects such as SDMX also promote standardising metadata, so that best use can be made of the minimal data available. Censuses in Egypt first appeared in the late Middle Kingdom and developed in the New Kingdom Pharaoh Amasis , according to Herodotus , required every Egyptian to declare annually to
3650-520: The combination of data from registers, surveys and other sources. Censuses have evolved in their use of technology: censuses in 2010 used many new types of computing. In Brazil, handheld devices were used by enumerators to locate residences on the ground. In many countries, census returns could be made via the Internet as well as in paper form. DSE is facilitated by computer matching techniques that can be automated, such as propensity score matching . In
3723-410: The county are drawn to its natural resources and abundant wildlife. Hunting and fishing are popular activities in season. The county has over 19 miles of paved bike path in and between Athens and Nelsonville. Hiking and mountain biking are popular throughout the county, especially in the state parks and national forest. Higher education remains the cornerstone of the county's economy. Over one-quarter of
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#17327908230353796-503: The county was $ 14,171. About 14.00% of families and 27.40% of the population were below the poverty line , including 21.20% of those under age 18 and 12.90% of those age 65 or over. As of the census of 2010, there were 64,757 people, 23,578 households, and 12,453 families living in the county. The population density was 128.6 inhabitants per square mile (49.7/km ). There were 26,385 housing units at an average density of 52.4 units per square mile (20.2 units/km ). The racial makeup of
3869-404: The county was 91.8% white, 2.7% black or African American, 2.7% Asian, 0.3% American Indian, 0.4% from other races, and 2.1% from two or more races. Those of Hispanic or Latino origin made up 1.5% of the population. In terms of ancestry, 22.1% were German , 15.2% were American , 14.0% were Irish , 10.4% were English , and 5.5% were Italian . Of the 23,578 households, 24.3% had children under
3942-432: The county was 93.48% White , 2.39% Black or African American , 0.28% Native American , 1.90% Asian , 0.02% Pacific Islander , 0.36% from other races , and 1.56% from two or more races. 1.03% of the population were Hispanic or Latino of any race. 21.4% were of German , 13.9% American , 12.9% Irish , 11.1% English , and 5.6% Italian ancestry. There were 22,501 households, out of which 26.40% had children under
4015-713: The county's residents either attend or work at Hocking College or Ohio University. Athens County is home to Hocking College in Nelsonville and Ohio University in the City of Athens. The residents of Athens County are served by the five school districts: the Alexander Local School District , Athens City School District , the Federal Hocking Local School District , Nelsonville-York City School District , and
4088-548: The federal government's decision to do so. The use of alternative enumeration strategies is increasing but these are not as simple as many people assume and are only used in developed countries. The Netherlands has been most advanced in adopting a census using administrative data . This allows a simulated census to be conducted by linking several different administrative databases at an agreed time. Data can be matched, and an overall enumeration established allowing for discrepancies between different data sources. A validation survey
4161-423: The form of conditional distributions ( histograms ) can be derived interactively from the estimated mixture model without any further access to the original database. As the final product does not contain any protected microdata, the model-based interactive software can be distributed without any confidentiality concerns. Another method is simply to release no data at all, except very large scale data directly to
4234-792: The historical structure of society. Political considerations influence the census in many countries. In Canada in 2010 for example, the government under the leadership of Stephen Harper abolished the mandatory long-form census. This abolition was a response to protests from some Canadians who resented the personal questions. The long-form census was reinstated by the Justin Trudeau government in 2016. As governments assumed responsibility for schooling and welfare, large government research departments made extensive use of census data. Population projections could be made, to help plan for provision in local government and regions. Central government could also use census data to allocate funding. Even in
4307-466: The identification of individuals in marginal populations; others swap variables for similar respondents. Whatever is done to reduce the privacy risk, new improved electronic analysis of data can threaten to reveal sensitive individual information. This is known as statistical disclosure control . Another possibility is to present survey results by means of statistical models in the form of a multivariate distribution mixture. The statistical information in
4380-511: The internet. It is also possible that the hidden nature of an administrative census means that users are not engaged with the importance of contributing their data to official statistics. Alternatively, population estimations may be carried out remotely with geographic information system (GIS) and remote sensing technologies. According to the United Nations Population Fund (UNFPA), "The information generated by
4453-524: The mid 20th century, census data was only directly accessible to large government departments. However, computers meant that tabulations could be used directly by university researchers, large businesses and local government offices. They could use the detail of the data to answer new questions and add to local and specialist knowledge. Nowadays, census data are published in a wide variety of formats to be accessible to business, all levels of government, media, students and teachers, charities, and any citizen who
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#17327908230354526-403: The number of elected representatives to regions (sometimes controversially – e.g., Utah v. Evans ). In many cases, a carefully chosen random sample can provide more accurate information than attempts to get a population census. A census is often construed as the opposite of a sample as it intends to count everyone in a population, rather than a fraction. However, population censuses do rely on
4599-497: The one ordered by the second Rashidun caliph , Umar . The Domesday Book was undertaken in AD 1086 by William I of England so that he could properly tax the land he had recently conquered. In 1183, a census was taken of the crusader Kingdom of Jerusalem , to ascertain the number of men and amount of money that could possibly be raised against an invasion by Saladin , sultan of Egypt and Syria . The first national census of France ( L'État des paroisses et des feux )
4672-408: The population was 62,431. Its county seat and largest city is Athens . The county was formed in 1805 from Washington County . Because Ohio's first state university, Ohio University , was established here in 1804, the town and the county are named for the ancient center of learning, Athens , Greece . Athens County comprises the Athens, OH Micropolitan Statistical Area . The county has
4745-554: The problems of overcount and undercount and the coherence of census enumerations with other official sources of data. For instance, during the 2020 U.S. Census, the Census Bureau counted people primarily by collecting answers sent by mail, on the internet, over the phone, or using shared information through proxies. These methods accounted for 95.5 percent of all occupied housing units in the United States. This reflects
4818-506: The reign of Emperor Chandragupta Maurya under the leadership of Chanakya and Ashoka . The English term is taken directly from the Latin census , from censere ("to estimate"). The census played a crucial role in the administration of the Roman government, as it was used to determine the class a citizen belonged to for both military and tax purposes. Beginning in the middle republic, it
4891-443: The same level of detail but raise concerns about privacy and the possibility of biasing estimates. A census can be contrasted with sampling in which information is obtained only from a subset of a population; typically, main population estimates are updated by such intercensal estimates . Modern census data are commonly used for research, business marketing , and planning, and as a baseline for designing sample surveys by providing
4964-534: The standard of a statistical register by comparing the data from different sources and ensuring the quality is sufficient for official statistics to be produced. A recent innovation is the French instigation of a rolling census program with different regions enumerated each year so that the whole country is completely enumerated every 5 to 10 years. In Europe, in connection with the 2010 census round, many countries adopted alternative census methodologies, often based on
5037-486: The structure of agriculture, covering the whole or a significant part of a country." "In a census of agriculture, data are collected at the holding level." The word is of Latin origin: during the Roman Republic , the census was a list of all adult males fit for military service. The modern census is essential to international comparisons of any type of statistics, and censuses collect data on many attributes of
5110-443: Was abandoned, with the contract being sold to Brazil. The online response has some advantages, but one of the functions of the census is to make sure everyone is counted accurately. A system that allowed people to enter their address without verification would be open to abuse. Therefore, households have to be verified on the ground, typically by an enumerator visit or post out . Paper forms are still necessary for those without access to
5183-533: Was designed to elicit basic information about the nature of the land and the life of its peoples. The replies, known as " relaciones geográficas ", were written between 1579 and 1585 and were returned to the Cronista Mayor in Spain by the Council of the Indies. The earliest estimate of the world population was made by Giovanni Battista Riccioli in 1661; the next by Johann Peter Süssmilch in 1741, revised in 1762;
5256-524: Was undertaken in 1328, mostly for fiscal purposes. It estimated the French population at 16 to 17 million. In the 15th century, the Inca Empire had a unique way to record census information. The Incas did not have any written language but recorded information collected during censuses and other numeric information as well as non-numeric data on quipus , strings from llama or alpaca hair or cotton cords with numeric and other values encoded by knots in
5329-493: Was usually carried out every five years. It provided a register of citizens and their property from which their duties and privileges could be listed. It is said to have been instituted by the Roman king Servius Tullius in the 6th century BC, at which time the number of arms-bearing citizens was supposedly counted at around 80,000. When the Romans conquered Judea in AD 6, the legate Publius Sulpicius Quirinius organized
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