Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 1,978,000 | 1,016,000 | 961,000 | 1800.13 |
| 1951 | 2,069,000 | 1,063,000 | 1,006,000 | 1883.06 |
| 1952 | 2,164,000 | 1,111,000 | 1,053,000 | 1969.79 |
| 1953 | 2,264,000 | 1,161,000 | 1,102,000 | 2060.35 |
| 1954 | 2,368,000 | 1,214,000 | 1,154,000 | 2155.25 |
| 1955 | 2,478,000 | 1,269,000 | 1,208,000 | 2254.96 |
| 1956 | 2,594,000 | 1,327,000 | 1,266,000 | 2360.56 |
| 1957 | 2,717,000 | 1,389,000 | 1,328,000 | 2472.41 |
| 1958 | 2,845,000 | 1,453,000 | 1,392,000 | 2589.17 |
| 1959 | 2,974,000 | 1,517,000 | 1,456,000 | 2706.59 |
| 1960 | 3,094,000 | 1,577,000 | 1,517,000 | 2816.05 |
| 1961 | 3,076,000 | 1,567,000 | 1,509,000 | 2799.51 |
| 1962 | 2,889,000 | 1,472,000 | 1,416,000 | 2628.83 |
| 1963 | 2,662,000 | 1,357,000 | 1,304,000 | 2422.75 |
| 1964 | 3,136,000 | 1,594,000 | 1,541,000 | 2853.53 |
| 1965 | 3,855,000 | 1,954,000 | 1,900,000 | 3508.12 |
| 1966 | 4,015,000 | 2,034,000 | 1,981,000 | 3653.60 |
| 1967 | 3,474,000 | 1,763,000 | 1,710,000 | 3161.17 |
| 1968 | 3,065,000 | 1,557,000 | 1,508,000 | 2789.20 |
| 1969 | 3,395,000 | 1,718,000 | 1,677,000 | 3089.65 |
| 1970 | 3,739,000 | 1,886,000 | 1,853,000 | 3403.02 |
| 1971 | 3,989,000 | 2,011,000 | 1,977,000 | 3629.88 |
| 1972 | 4,117,000 | 2,081,000 | 2,035,000 | 3746.24 |
| 1973 | 4,223,000 | 2,142,000 | 2,080,000 | 3842.81 |
| 1974 | 4,330,000 | 2,204,000 | 2,126,000 | 3940.60 |
| 1975 | 4,438,000 | 2,265,000 | 2,172,000 | 4038.56 |
| 1976 | 4,545,000 | 2,327,000 | 2,217,000 | 4135.70 |
| 1977 | 4,650,000 | 2,387,000 | 2,262,000 | 4231.57 |
| 1978 | 4,754,000 | 2,447,000 | 2,306,000 | 4325.81 |
| 1979 | 4,857,000 | 2,507,000 | 2,349,000 | 4420.08 |
| 1980 | 4,962,000 | 2,568,000 | 2,393,000 | 4515.45 |
| 1981 | 5,060,000 | 2,620,000 | 2,440,000 | 4605.06 |
| 1982 | 5,150,000 | 2,658,000 | 2,491,000 | 4686.16 |
| 1983 | 5,235,000 | 2,693,000 | 2,541,000 | 4763.52 |
| 1984 | 5,315,000 | 2,726,000 | 2,589,000 | 4837.11 |
| 1985 | 5,393,000 | 2,758,000 | 2,634,000 | 4907.30 |
| 1986 | 5,451,000 | 2,781,000 | 2,670,000 | 4960.36 |
| 1987 | 5,486,000 | 2,793,000 | 2,692,000 | 4992.15 |
| 1988 | 5,514,000 | 2,802,000 | 2,712,000 | 5018.11 |
| 1989 | 5,540,000 | 2,810,000 | 2,729,000 | 5041.47 |
| 1990 | 5,560,000 | 2,815,000 | 2,744,000 | 5059.69 |
| 1991 | 5,628,000 | 2,842,000 | 2,786,000 | 5121.11 |
| 1992 | 5,759,000 | 2,897,000 | 2,862,000 | 5240.73 |
| 1993 | 5,902,000 | 2,957,000 | 2,944,000 | 5370.80 |
| 1994 | 6,042,000 | 3,016,000 | 3,025,000 | 5497.96 |
| 1995 | 6,177,000 | 3,072,000 | 3,104,000 | 5620.66 |
| 1996 | 6,302,000 | 3,123,000 | 3,178,000 | 5734.73 |
| 1997 | 6,416,000 | 3,167,000 | 3,249,000 | 5838.65 |
| 1998 | 6,521,000 | 3,205,000 | 3,315,000 | 5933.88 |
| 1999 | 6,616,000 | 3,238,000 | 3,377,000 | 6020.50 |
| 2000 | 6,704,000 | 3,268,000 | 3,436,000 | 6100.70 |
| 2001 | 6,774,000 | 3,287,000 | 3,486,000 | 6164.00 |
| 2002 | 6,821,000 | 3,294,000 | 3,526,000 | 6206.92 |
| 2003 | 6,858,000 | 3,296,000 | 3,562,000 | 6241.04 |
| 2004 | 6,888,000 | 3,293,000 | 3,594,000 | 6267.67 |
| 2005 | 6,908,000 | 3,285,000 | 3,622,000 | 6286.16 |
| 2006 | 6,931,000 | 3,280,000 | 3,651,000 | 6306.72 |
| 2007 | 6,971,000 | 3,284,000 | 3,686,000 | 6343.35 |
| 2008 | 7,020,000 | 3,293,000 | 3,727,000 | 6388.25 |
| 2009 | 7,064,000 | 3,299,000 | 3,764,000 | 6428.09 |
| 2010 | 7,101,000 | 3,301,000 | 3,799,000 | 6461.89 |
| 2011 | 7,142,000 | 3,306,000 | 3,836,000 | 6499.52 |
| 2012 | 7,201,000 | 3,322,000 | 3,878,000 | 6552.38 |
| 2013 | 7,264,000 | 3,341,000 | 3,923,000 | 6609.95 |
| 2014 | 7,319,000 | 3,355,000 | 3,964,000 | 6660.15 |
| 2015 | 7,366,000 | 3,364,000 | 4,001,000 | 6702.83 |
| 2016 | 7,408,000 | 3,373,000 | 4,034,000 | 6740.68 |
| 2017 | 7,444,000 | 3,382,000 | 4,062,000 | 6774.24 |
| 2018 | 7,471,000 | 3,388,000 | 4,082,000 | 6798.17 |
| 2019 | 7,485,000 | 3,388,000 | 4,097,000 | 6811.48 |
| 2020 | 7,490,000 | 3,382,000 | 4,107,000 | 6815.50 |
| 2021 | 7,484,000 | 3,377,000 | 4,107,000 | 6810.37 |
| 2022 | 7,465,000 | 3,367,000 | 4,098,000 | 6793.37 |
| 2023 | 7,442,000 | 3,355,000 | 4,087,000 | 6772.28 |
| 2024 | 7,414,000 | 3,340,000 | 4,074,000 | 6746.96 |
| 2025 | 7,396,000 | 3,328,000 | 4,067,000 | 6729.82 |