Every 10 yrs
There never has been a worldwide census. The census in the US that was conducted in 2010 was a census of people living in the US and its possessions.
(in the US) A complete and nationwide census is conducted every ten years.
The first US Census was conducted in 1790 and every ten years thereafter.
The first census was conducted in 1957 in Kuwait
A number of countries conducted a census in 1901. Ireland conducted a census as did the United Kingdom. Most countries conduct a census every 10 years.
every 10 years
every 10 years
survey
In the United States, the census is organized and conducted by the US Census Bureau, which is part of the Department of Commerce. Most of the census workers are temporary employees hired through local field offices.
The US conducts a census every 10 years. The Agricultural Census is conducted every 5 years.
According to the 2010 census conducted by the US Census Bureau, Wyoming is the least populated state with a population of 563,626. The estimated population of Wyoming in 2011, also conducted by the US Census Bureau, lists Wyoming as having a population of approximately 568,158.
The 2010 Census conducted 308,745,538 Americans. The current 2012 estimation is 313,992,000.