Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 4,330,000 | 2,116,000 | 2,213,000 | 9.29 |
| 1951 | 4,395,000 | 2,148,000 | 2,246,000 | 9.43 |
| 1952 | 4,464,000 | 2,182,000 | 2,281,000 | 9.58 |
| 1953 | 4,538,000 | 2,219,000 | 2,318,000 | 9.74 |
| 1954 | 4,616,000 | 2,259,000 | 2,357,000 | 9.91 |
| 1955 | 4,700,000 | 2,301,000 | 2,398,000 | 10.09 |
| 1956 | 4,788,000 | 2,345,000 | 2,442,000 | 10.27 |
| 1957 | 4,878,000 | 2,391,000 | 2,487,000 | 10.47 |
| 1958 | 4,972,000 | 2,436,000 | 2,535,000 | 10.67 |
| 1959 | 5,070,000 | 2,484,000 | 2,585,000 | 10.88 |
| 1960 | 5,159,000 | 2,521,000 | 2,637,000 | 11.07 |
| 1961 | 5,239,000 | 2,548,000 | 2,690,000 | 11.24 |
| 1962 | 5,338,000 | 2,592,000 | 2,746,000 | 11.46 |
| 1963 | 5,456,000 | 2,652,000 | 2,804,000 | 11.71 |
| 1964 | 5,578,000 | 2,713,000 | 2,864,000 | 11.97 |
| 1965 | 5,704,000 | 2,777,000 | 2,926,000 | 12.24 |
| 1966 | 5,837,000 | 2,844,000 | 2,992,000 | 12.53 |
| 1967 | 5,977,000 | 2,915,000 | 3,061,000 | 12.83 |
| 1968 | 6,125,000 | 2,990,000 | 3,135,000 | 13.14 |
| 1969 | 6,283,000 | 3,070,000 | 3,213,000 | 13.48 |
| 1970 | 6,449,000 | 3,154,000 | 3,295,000 | 13.84 |
| 1971 | 6,624,000 | 3,242,000 | 3,381,000 | 14.21 |
| 1972 | 6,806,000 | 3,335,000 | 3,471,000 | 14.61 |
| 1973 | 6,996,000 | 3,430,000 | 3,565,000 | 15.01 |
| 1974 | 7,193,000 | 3,530,000 | 3,663,000 | 15.44 |
| 1975 | 7,397,000 | 3,632,000 | 3,764,000 | 15.87 |
| 1976 | 7,597,000 | 3,733,000 | 3,864,000 | 16.30 |
| 1977 | 7,796,000 | 3,833,000 | 3,963,000 | 16.73 |
| 1978 | 8,011,000 | 3,941,000 | 4,070,000 | 17.19 |
| 1979 | 8,239,000 | 4,056,000 | 4,183,000 | 17.68 |
| 1980 | 8,512,000 | 4,192,000 | 4,319,000 | 18.27 |
| 1981 | 8,816,000 | 4,345,000 | 4,471,000 | 18.92 |
| 1982 | 9,028,000 | 4,451,000 | 4,576,000 | 19.37 |
| 1983 | 9,215,000 | 4,545,000 | 4,670,000 | 19.77 |
| 1984 | 9,475,000 | 4,675,000 | 4,799,000 | 20.33 |
| 1985 | 9,761,000 | 4,819,000 | 4,942,000 | 20.95 |
| 1986 | 10,060,000 | 4,968,000 | 5,091,000 | 21.59 |
| 1987 | 10,370,000 | 5,124,000 | 5,246,000 | 22.25 |
| 1988 | 10,684,000 | 5,282,000 | 5,402,000 | 22.93 |
| 1989 | 11,002,000 | 5,441,000 | 5,561,000 | 23.61 |
| 1990 | 11,331,000 | 5,606,000 | 5,725,000 | 24.32 |
| 1991 | 11,667,000 | 5,774,000 | 5,892,000 | 25.03 |
| 1992 | 12,006,000 | 5,944,000 | 6,062,000 | 25.76 |
| 1993 | 12,353,000 | 6,118,000 | 6,235,000 | 26.51 |
| 1994 | 12,704,000 | 6,294,000 | 6,410,000 | 27.26 |
| 1995 | 13,058,000 | 6,471,000 | 6,586,000 | 28.02 |
| 1996 | 13,414,000 | 6,650,000 | 6,764,000 | 28.78 |
| 1997 | 13,775,000 | 6,831,000 | 6,944,000 | 29.56 |
| 1998 | 14,144,000 | 7,016,000 | 7,128,000 | 30.35 |
| 1999 | 14,525,000 | 7,207,000 | 7,317,000 | 31.17 |
| 2000 | 14,912,000 | 7,402,000 | 7,509,000 | 32.00 |
| 2001 | 15,309,000 | 7,603,000 | 7,706,000 | 32.85 |
| 2002 | 15,725,000 | 7,813,000 | 7,912,000 | 33.74 |
| 2003 | 16,160,000 | 8,032,000 | 8,127,000 | 34.68 |
| 2004 | 16,610,000 | 8,259,000 | 8,350,000 | 35.64 |
| 2005 | 17,074,000 | 8,493,000 | 8,581,000 | 36.64 |
| 2006 | 17,550,000 | 8,733,000 | 8,817,000 | 37.66 |
| 2007 | 18,049,000 | 8,984,000 | 9,065,000 | 38.73 |
| 2008 | 18,574,000 | 9,247,000 | 9,326,000 | 39.85 |
| 2009 | 19,113,000 | 9,518,000 | 9,595,000 | 41.01 |
| 2010 | 19,668,000 | 9,796,000 | 9,871,000 | 42.20 |
| 2011 | 20,232,000 | 10,079,000 | 10,153,000 | 43.41 |
| 2012 | 20,809,000 | 10,368,000 | 10,441,000 | 44.65 |
| 2013 | 21,402,000 | 10,664,000 | 10,737,000 | 45.92 |
| 2014 | 22,059,000 | 10,993,000 | 11,066,000 | 47.33 |
| 2015 | 22,763,000 | 11,344,000 | 11,418,000 | 48.84 |
| 2016 | 23,454,000 | 11,689,000 | 11,764,000 | 50.33 |
| 2017 | 24,128,000 | 12,026,000 | 12,101,000 | 51.77 |
| 2018 | 24,806,000 | 12,364,000 | 12,441,000 | 53.23 |
| 2019 | 25,506,000 | 12,713,000 | 12,792,000 | 54.73 |
| 2020 | 26,210,000 | 13,064,000 | 13,146,000 | 56.24 |
| 2021 | 26,915,000 | 13,415,000 | 13,500,000 | 57.75 |
| 2022 | 27,632,000 | 13,772,000 | 13,860,000 | 59.29 |
| 2023 | 28,372,000 | 14,140,000 | 14,232,000 | 60.88 |
| 2024 | 29,123,000 | 14,514,000 | 14,609,000 | 62.49 |
| 2025 | 29,879,000 | 14,890,000 | 14,989,000 | 64.11 |