According to international convention, if 7 percent of a country's population is over 65 years old, or 10 percent over 60, the country is considered an "old-age society."Although only 5 percent of...
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According to international convention, if 7 percent of a country's population is over 65 years old, or 10 percent over 60, the country is considered an "old-age society."Although only 5 percent of...