Because they don't want to know the reality so frequently. I causes blue to the government and to the people.
Every ten years in the US a census is taken.
In the United States, the census is conducted every 10 years. The next census will be in 2010.
The census is taken by the federal government every ten years to count the population and gather demographic information.
The US Census is taken every ten years in the years ending in zero.
A national census is taken every ten years by the US Census Bureau.
The Federal government take its official census every ten years.
a census is every 10 years
each census is taken every 10 years
The US census is taken nationwide every ten years, those years that end in 0.
A census has been conducted every ten years since 1790.
The census, in many places, counts the population every 10 years.
about every ten years. Hope this answers u!