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nfant and child mortality rates tend to decline over the last decades on a worldwide basis. Specifically, between 1980 and 2003, death rates dropped by 46% for infants, 51% for ages 1 to 4, 44% for children ages 5 to 14 and 32% for teens ages 15 to 19.
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Nikolaοs Goutas (2011) studied this question.
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