The United States Census Bureau estimates that the population of California was 39,557,045 on July 1, 2018, a 6.18% increase since the 2010 United States Census. The population is projected to reach 40 million by 2020 and 50 million by 2060.
Between 2000 and 2009, there was a natural increase of 3,090,016 (5,058,440 births minus 2,179,958 deaths). During this time period, international migration produced a net increase of 1,816,633 people while domestic migration produced a net decrease of 1,509,708, resulting in a net in-migration of 306,925 people. The state of California’s own statistics show a population of 38,292,687 for January 1, 2009. However, according to the Manhattan Institute for Policy Research, since 1990 almost 3.4 million Californians have moved to other states, with most leaving to Texas, Nevada, and Arizona.
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