A nationwide census scheduled for 2008 should provide a more accurate estimate.
The fourth nationwide census shows over 99 percent of the total population are Han Chinese.
Statistics Canada-an agency of the Canadian government-conducts a nationwide census every five years.
The Bush presidency will be history in 2010, the year of the next nationwide census.
The first nationwide census was implemented from 1988.
In the nationwide census conducted in 2 AD, there were 1,587 counties listed.
In 1851, another attempt at a nationwide census failed when rioting broke out.
But the nationwide census of 1990 dealt a major blow to Utah's long-held position as the state with the highest birth rate.
The Holiday Bird Count program dates from 1899 and is part of a nationwide census of birds.
During this period, the Burkinabé government organized a nationwide census.