
In the United States, the number of babies born went from 24 million in the 1930s to 32 million in the 1940s. This was do to couples that were not able to afford families during the great depression now being able to do to their profit from the war.
In Canada the baby boom was from 1947 to 1966. The later start was do to the Canadian soldiers not being pulled out of duty until 1947 which was later then the US soldiers. The baby boom of Canada ended later do to the birth control pills not being introduced later.

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