少儿抚比率（占工作年龄人口的百分比） - World, Angola, Philippines, American Samoa, Antigua and Barbuda, Gabon, Uruguay, Sao Tome and Principe, St. Kitts and Nevis, Montenegro
World Bank staff estimates from various sources including census reports, the United Nations Population Division's World Population Prospects, national statistical offices, household surveys conducted by national agencies, and ICF International.
