Year Number of People
1800 3506000
1820 3506000
1850 3932000
1870 4245000
1890 7489000
1900 10170000
1901 10490000
1902 10640000
1903 10800000
1904 10950000
1905 11110000
1906 11270000
1907 11440000
1908 11600000
1909 11770000
1910 11940000
1911 12120000
1912 12220000
1913 12330000
1914 12430000
1915 12540000
1916 12650000
1917 12760000
1918 12870000
1919 12890000
1920 13100000
1921 13210000
1922 13350000
1923 13490000
1924 13630000
1925 13780000
1926 13920000
1927 14070000
1928 14220000
1929 14360000
1930 14520000
1931 14670000
1932 14870000
1933 15080000
1934 15280000
1935 15490000
1936 15710000
1937 15920000
1938 16140000
1939 16370000
1940 16590000
1941 16820000
1950 17160000
1951 17460000
1952 17790000
1953 18130000
1954 18490000
1955 18860000
1956 19260000
1957 19660000
1958 20080000
1959 20520000
1960 20960000
1961 21410000
1962 21870000
1963 22340000
1964 22820000
1965 23330000
1966 23850000
1967 24400000
1968 24960000
1969 25550000
1970 26160000
1971 26810000
1972 27480000
1973 28160000
1974 28850000
1975 29530000
1976 30210000
1977 30880000
1978 31540000
1979 32200000
1980 32860000
1981 33520000
1982 34180000
1983 34830000
1984 35480000
1985 36130000
1986 36770000
1987 37410000
1988 38040000
1989 38660000
1990 39270000
1991 39860000
1992 40430000
1993 40990000
1994 41550000
1995 42130000
1996 42740000
1997 43350000
1998 43950000
1999 44500000
2000 44960000
2001 45320000
2002 45610000
2003 45840000
2004 46070000
2005 46320000
2006 46610000
2007 46920000
2008 47250000
2009 47600000
2010 47960000
2011 48340000
2012 48720000
2013 49120000
2050 55300000
2100 46940000