The number of young people is reaching unprecedented levels in most developing countries. In many countries, especially in East Asia and Latin America, youth populations are at or near their peak, and will decline in coming decades. In other countries, especially in Africa and South Asia, youth...

Background: Reduction of under-five year mortality rate by two-thirds by 2015 compared to 1990 level has been adopted as Target 4A in the Millennium Development Goals. Since infant deaths account for over seventy percents of under-five year mortality, the same two-thirds reduction Target of...