Birth rate
According to the CIA's "The World Factbook", the country with the highest birth rate is Niger at 6.49 children born per woman and the country with the lowest birth rate is Taiwan, at 1.13 children born per woman.
Birth rate
Compared with the 1950s (when the birth rate was 36 per thousand), as of 2011, the world birth rate has declined by 16 per thousand.