How did South Africas population go up so quick compared to Australia?

Question

This is South Africa>>

1900 5,014,000

1910 5,842,000 16.5%

1920 6,953,000 19.0%

1930 8,580,000 23.4%

1940 10,341,000 20.5%

1950 13,310,000 28.7%

1960 16,385,000 23.1%

1970 21,794,000 33.0%

1980 24,261,000 11.3%

1990 37,944,000 56.4%

2000 43,686,000 15.1%

2007 48,000,000 (est) 9.9%

This is Australia>>

1900 3,765,400

1910 4,525,100 20.2%

1920 5,411,000 19.6%

1930 6,501,000 20.1%

1940 7,078,000 8.9%

1950 8,307,000 17.4%

1960 10,392,000 25.1%

1970 12,663,000 21.9%

1980 14,726,000 16.3%

1990 17,169,000 16.6%

2000 19,169,000 11.6%

It was about the same up to about 1940....so why didnt Australia population go up fast just like South Africa

I got these diagrams off wikipedia.

Answer 1

Plain and simple. No condom usage in South Africa.

Answer 2

Well either they aren't killing eachother in the same amount, diseases aren't killing as many, immigration/exodus, there's more food or simply all of a sudden people are starting to keep more accurate records over how many that live there.

Answer 3

The plight of the poor always leads to a population boom as they don't do much except fornicate.

Bear in mind we have close to ¾ Zim's population, about 10% of Moz, Angola and Namibia already, and within the next 6 months the balance of Zim should get here....

Answer 4

Mass economic immigration from adjacent countries caused the growth indicated.