Year Number of People 1600 2000000 1700 2500000 1800 5464000 1820 6389000 1850 8000000 1870 9179000 1890 10370000 1900 11000000 1910 11870000 1913 12530000 1920 12340000 1921 12480000 1922 12670000 1923 12840000 1924 13020000 1925 13210000 1926 13400000 1927 13570000 1928 13760000 1929 13950000 1930 14140000 1931 14360000 1932 14550000 1933 14730000 1934 14920000 1935 15070000 1936 15260000 1937 15430000 1938 15600000 1939 15750000 1940 15910000 1941 15770000 1942 15840000 1943 15840000 1944 15950000 1945 15930000 1946 15970000 1947 15850000 1948 15890000 1949 16080000 1950 16310000 1951 16610000 1952 16860000 1953 17080000 1954 17280000 1955 17490000 1956 17690000 1957 17890000 1958 18080000 1959 18250000 1960 18410000 1961 18530000 1962 18640000 1963 18750000 1964 18870000 1965 19030000 1966 19240000 1967 19480000 1968 19740000 1969 20010000 1970 20250000 1971 20470000 1972 20670000 1973 20860000 1974 21050000 1975 21250000 1976 21450000 1977 21650000 1978 21850000 1979 22040000 1980 22200000 1981 22330000 1982 22440000 1983 22530000 1984 22620000 1985 22720000 1986 22840000 1987 22980000 1988 23100000 1989 23180000 1990 23210000 1991 23170000 1992 23080000 1993 22950000 1994 22810000 1995 22680000 1996 22570000 1997 22470000 1998 22370000 1999 22280000 2000 22190000 2001 22100000 2002 22010000 2003 21930000 2004 21850000 2005 21770000 2006 21710000 2007 21640000 2008 21590000 2009 21540000 2010 21490000 2011 21440000 2012 21390000 2013 21340000 2050 18530000 2100 14840000