Year Number of People
1800 1206000
1820 1206000
1850 2065000
1870 2392000
1890 3369000
1900 3998000
1901 4079000
1902 4162000
1903 4247000
1904 4334000
1905 4422000
1906 4512000
1907 4604000
1908 4697000
1909 4793000
1910 4890000
1911 4990000
1912 5091000
1913 5195000
1914 5330000
1915 5468000
1916 5609000
1917 5754000
1918 5903000
1919 6056000
1920 6213000
1921 6374000
1922 6539000
1923 6709000
1924 6882000
1925 7061000
1926 7243000
1927 7431000
1928 7624000
1929 7821000
1930 7914000
1931 8009000
1932 8104000
1933 8201000
1934 8299000
1935 8398000
1936 8498000
1937 8599000
1938 8702000
1939 8935000
1940 9174000
1941 9419000
1942 9671000
1943 9930000
1944 10200000
1945 10470000
1946 10750000
1947 11040000
1948 11330000
1949 11640000
1950 12000000
1951 12340000
1952 12700000
1953 13060000
1954 13440000
1955 13830000
1956 14230000
1957 14650000
1958 15090000
1959 15540000
1960 16000000
1961 16490000
1962 16980000
1963 17500000
1964 18020000
1965 18560000
1966 19100000
1967 19660000
1968 20230000
1969 20780000
1970 21330000
1971 21860000
1972 22380000
1973 22900000
1974 23420000
1975 23960000
1976 24520000
1977 25090000
1978 25680000
1979 26270000
1980 26870000
1981 27490000
1982 28100000
1983 28730000
1984 29360000
1985 29990000
1986 30630000
1987 31270000
1988 31910000
1989 32560000
1990 33200000
1991 33850000
1992 34500000
1993 35150000
1994 35800000
1995 36450000
1996 37110000
1997 37780000
1998 38440000
1999 39100000
2000 39760000
2001 40420000
2002 41080000
2003 41730000
2004 42390000
2005 43040000
2006 43700000
2007 44350000
2008 45010000
2009 45650000
2010 46290000
2011 46930000
2012 47550000
2013 48170000
2050 61760000
2100 58140000