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Progression of the 2010 Census Round

Two hundred fourteen (214) countries or areas have conducted at least one census in the 2010 census round spanning the period 2005 to 2014. This also includes countries which base their detailed population statistics on population registers, administrative records, sample surveys or other sources or a combination of those sources. Twenty one countries or areas have not conducted a census for the 2010 round (as of 1 December 2014; for a detailed table see here).

Figure 1 shows the overall temporal distribution of censuses over the period of the 2010 round (first censuses only). The peak of the census round in terms of the number of censuses taken is the year 2011 when 60 countries or areas conducted a census. The graphs in Figure 2 show the temporal distribution of census taking in each major region of the world.

Fig. 1: Distribution of conducted and scheduled censuses over the period of the 2010 Census Round. For every country or area only the first census in this round is included.

Fig. 2: Distribution of conducted and scheduled censuses over the period of the 2010 Census Round according to region (n.s. = not scheduled).

An estimated 6 391 500 187 persons (93% of the estimated world population) have been enumerated in the 214 censuses conducted as of 1 December 2014 (this figure is based on the population for the year 2010 as estimated by the UN World Population Prospect Revision 2010, Medium Variant). At the end of the first year of the 2010 census round, 2005, an estimated 5.5% of the world population had been enumerated (see Fig. 3). At the end of 2009 this proportion increased to 21%. The single year with the highest number of persons enumerated was 2010, when 43 countries or areas (including China) with a population of over 2.5 billion (37% of the world population) conducted a census. At the end of the census round in 2014, about 93% of the world population have been enumerated.

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