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 postponed marriage and childbirth during the Great Depression and World War II, were joined in the nation's maternity wards by young adults who were eager to start families.
The late 1940s and the 1950s brought low desires to have material objects, because of the Great Depression and World War II, as well as plentiful job opportunities (being a post-war period). These two factors gaverise to a high relative income, which encouraged high fertility. Hence Baby Boom.

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