The New Bottom Billion: What If Most of the World’s Poor Live in Middle-Income Countries

The New Bottom Billion: What If Most of the World's Poor Live in Middle-Income Countries?  An estimated 960 million poor people—a new bottom billion—live in middle-income countries, a result of the graduation of several populous countries from low-income status. That is good news, but it has repercussions. Donors will have to change the way they think about poverty alleviation.