Year
Population
Year
Population
1900
76,212,168
1960
179,323,175
1910
92,228,486
1970
203,302,031
1920
106,021,537
1980
226,542,203
1930
123,202,624
1990
248,709,873
1940
132,164,569
2000
281,421,906
1950
151,325,798
2010
308,745,538