Population 1901 - 2006
-
| Year |
Males |
Females |
Total |
| 1901 |
1,610,085 |
1,611,738 |
3,221,823 |
| 1911 |
1,589,509 |
1,550,179 |
3,139,688 |
| 1926 |
1,506,889 |
1,465,103 |
2,971,992 |
| 1936 |
1,520,454 |
1,447,966 |
2,968,420 |
| 1946 |
1,494,877 |
1,460,230 |
2,955,107 |
| 1951 |
1,506,597 |
1,453,996 |
2,960,593 |
| 1961 |
1,416,549 |
1,401,792 |
2,818,341 |
| 1971 |
1,495,760 |
1,482,488 |
2,978,248 |
| 1981 |
1,729,354 |
1,714,051 |
3,443,405 |
| 1991 |
1,753,418 |
1,772,301 |
3,525,719 |
| 1996 |
1,800,232 |
1,825,855 |
3,626,087 |
| 2002 |
1,946,164 |
1,971,039 |
3,917,203 |
| 2006 |
2,121,171 |
2,118,677 |
4,239,848 |
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