Year Number of People 1800 1072000 1820 1072000 1950 3527000 1951 3585000 1952 3646000 1953 3710000 1954 3775000 1955 3839000 1956 3904000 1957 3967000 1958 4031000 1959 4095000 1960 4160000 1961 4226000 1962 4292000 1963 4357000 1964 4420000 1965 4477000 1966 4530000 1967 4578000 1968 4623000 1969 4665000 1970 4707000 1971 4750000 1972 4791000 1973 4832000 1974 4871000 1975 4908000 1976 4942000 1977 4973000 1978 5004000 1979 5037000 1980 5073000 1981 5112000 1982 5152000 1983 5194000 1984 5239000 1985 5287000 1986 5340000 1987 5395000 1988 5441000 1989 5466000 1990 5460000 1991 5419000 1992 5346000 1993 5254000 1994 5158000 1995 5069000 1996 4992000 1997 4925000 1998 4864000 1999 4805000 2000 4746000 2001 4685000 2002 4626000 2003 4570000 2004 4520000 2005 4477000 2006 4443000 2007 4416000 2008 4394000 2009 4374000 2010 4352000 2011 4329000 2012 4304000 2013 4278000 2050 3186000 2100 2367000