Population history
Population by year
| Year | Total | Male | Female | Density |
|---|---|---|---|---|
| 1950 | 3,612,000 | 1,886,000 | 1,725,000 | 19.66 |
| 1951 | 3,684,000 | 1,920,000 | 1,764,000 | 20.06 |
| 1952 | 3,765,000 | 1,958,000 | 1,807,000 | 20.50 |
| 1953 | 3,852,000 | 2,000,000 | 1,852,000 | 20.97 |
| 1954 | 3,947,000 | 2,046,000 | 1,901,000 | 21.49 |
| 1955 | 4,050,000 | 2,096,000 | 1,954,000 | 22.05 |
| 1956 | 4,160,000 | 2,150,000 | 2,009,000 | 22.65 |
| 1957 | 4,277,000 | 2,209,000 | 2,068,000 | 23.29 |
| 1958 | 4,401,000 | 2,271,000 | 2,130,000 | 23.96 |
| 1959 | 4,533,000 | 2,337,000 | 2,196,000 | 24.68 |
| 1960 | 4,673,000 | 2,407,000 | 2,265,000 | 25.44 |
| 1961 | 4,815,000 | 2,479,000 | 2,336,000 | 26.21 |
| 1962 | 4,959,000 | 2,550,000 | 2,408,000 | 27.00 |
| 1963 | 5,110,000 | 2,626,000 | 2,483,000 | 27.82 |
| 1964 | 5,269,000 | 2,706,000 | 2,562,000 | 28.68 |
| 1965 | 5,435,000 | 2,790,000 | 2,645,000 | 29.59 |
| 1966 | 5,609,000 | 2,877,000 | 2,731,000 | 30.53 |
| 1967 | 5,790,000 | 2,968,000 | 2,821,000 | 31.52 |
| 1968 | 5,978,000 | 3,063,000 | 2,914,000 | 32.54 |
| 1969 | 6,175,000 | 3,162,000 | 3,012,000 | 33.61 |
| 1970 | 6,380,000 | 3,266,000 | 3,114,000 | 34.73 |
| 1971 | 6,598,000 | 3,376,000 | 3,221,000 | 35.92 |
| 1972 | 6,826,000 | 3,492,000 | 3,333,000 | 37.16 |
| 1973 | 7,060,000 | 3,610,000 | 3,449,000 | 38.43 |
| 1974 | 7,302,000 | 3,731,000 | 3,570,000 | 39.75 |
| 1975 | 7,554,000 | 3,858,000 | 3,695,000 | 41.12 |
| 1976 | 7,817,000 | 3,991,000 | 3,826,000 | 42.55 |
| 1977 | 8,090,000 | 4,128,000 | 3,962,000 | 44.04 |
| 1978 | 8,372,000 | 4,269,000 | 4,103,000 | 45.58 |
| 1979 | 8,661,000 | 4,414,000 | 4,247,000 | 47.15 |
| 1980 | 8,957,000 | 4,562,000 | 4,394,000 | 48.76 |
| 1981 | 9,260,000 | 4,713,000 | 4,546,000 | 50.41 |
| 1982 | 9,572,000 | 4,868,000 | 4,704,000 | 52.11 |
| 1983 | 9,904,000 | 5,033,000 | 4,871,000 | 53.92 |
| 1984 | 10,258,000 | 5,211,000 | 5,047,000 | 55.84 |
| 1985 | 10,625,000 | 5,396,000 | 5,229,000 | 57.84 |
| 1986 | 11,002,000 | 5,586,000 | 5,416,000 | 59.89 |
| 1987 | 11,388,000 | 5,780,000 | 5,608,000 | 61.99 |
| 1988 | 11,782,000 | 5,977,000 | 5,804,000 | 64.14 |
| 1989 | 12,179,000 | 6,177,000 | 6,001,000 | 66.30 |
| 1990 | 12,579,000 | 6,377,000 | 6,201,000 | 68.47 |
| 1991 | 12,980,000 | 6,578,000 | 6,402,000 | 70.66 |
| 1992 | 13,385,000 | 6,781,000 | 6,604,000 | 72.86 |
| 1993 | 13,795,000 | 6,986,000 | 6,809,000 | 75.10 |
| 1994 | 14,208,000 | 7,192,000 | 7,016,000 | 77.34 |
| 1995 | 14,616,000 | 7,395,000 | 7,221,000 | 79.57 |
| 1996 | 15,018,000 | 7,595,000 | 7,423,000 | 81.75 |
| 1997 | 15,417,000 | 7,793,000 | 7,623,000 | 83.92 |
| 1998 | 15,820,000 | 7,994,000 | 7,826,000 | 86.12 |
| 1999 | 16,228,000 | 8,197,000 | 8,030,000 | 88.34 |
| 2000 | 16,637,000 | 8,401,000 | 8,236,000 | 90.57 |
| 2001 | 17,051,000 | 8,607,000 | 8,444,000 | 92.82 |
| 2002 | 17,468,000 | 8,814,000 | 8,653,000 | 95.09 |
| 2003 | 17,889,000 | 9,023,000 | 8,865,000 | 97.38 |
| 2004 | 18,336,000 | 9,248,000 | 9,088,000 | 99.81 |
| 2005 | 18,814,000 | 9,489,000 | 9,325,000 | 102.41 |
| 2006 | 19,637,000 | 9,902,000 | 9,734,000 | 106.89 |
| 2007 | 20,884,000 | 10,528,000 | 10,355,000 | 113.68 |
| 2008 | 21,636,000 | 10,908,000 | 10,728,000 | 117.78 |
| 2009 | 21,976,000 | 11,081,000 | 10,895,000 | 119.63 |
| 2010 | 22,482,000 | 11,337,000 | 11,145,000 | 122.38 |
| 2011 | 22,878,000 | 11,536,000 | 11,341,000 | 124.53 |
| 2012 | 22,759,000 | 11,471,000 | 11,288,000 | 123.89 |
| 2013 | 21,666,000 | 10,910,000 | 10,756,000 | 117.94 |
| 2014 | 20,273,000 | 10,199,000 | 10,074,000 | 110.36 |
| 2015 | 19,424,000 | 9,758,000 | 9,666,000 | 105.74 |
| 2016 | 19,193,000 | 9,625,000 | 9,568,000 | 104.48 |
| 2017 | 19,224,000 | 9,626,000 | 9,597,000 | 104.65 |
| 2018 | 19,577,000 | 9,792,000 | 9,785,000 | 106.57 |
| 2019 | 20,353,000 | 10,175,000 | 10,178,000 | 110.79 |
| 2020 | 21,049,000 | 10,520,000 | 10,528,000 | 114.58 |
| 2021 | 21,628,000 | 10,810,000 | 10,818,000 | 117.73 |
| 2022 | 22,462,000 | 11,228,000 | 11,233,000 | 122.27 |
| 2023 | 23,594,000 | 11,795,000 | 11,799,000 | 128.43 |
| 2024 | 24,672,000 | 12,341,000 | 12,331,000 | 134.30 |
| 2025 | 25,620,000 | 12,825,000 | 12,794,000 | 139.46 |