Year Number of People 1800 1089000 1820 1089000 1950 2630000 1951 2709000 1952 2793000 1953 2882000 1954 2975000 1955 3072000 1956 3172000 1957 3278000 1958 3390000 1959 3509000 1960 3638000 1961 3778000 1962 3927000 1963 4085000 1964 4251000 1965 4424000 1966 4602000 1967 4789000 1968 4984000 1969 5193000 1970 5416000 1971 5655000 1972 5910000 1973 6180000 1974 6466000 1975 6768000 1976 7086000 1977 7419000 1978 7767000 1979 8128000 1980 8501000 1981 8886000 1982 9282000 1983 9684000 1984 10090000 1985 10490000 1986 10900000 1987 11290000 1988 11690000 1989 12100000 1990 12520000 1991 12950000 1992 13380000 1993 13820000 1994 14250000 1995 14680000 1996 15090000 1997 15490000 1998 15880000 1999 16240000 2000 16580000 2001 16890000 2002 17180000 2003 17460000 2004 17730000 2005 18020000 2006 18330000 2007 18650000 2008 18990000 2009 19350000 2010 19740000 2011 20150000 2012 20590000 2013 21060000 2050 40670000 2100 56410000