Andy Sumner examines it:

Most of the world’s poor no longer live in low-income countries. An estimated 960 million poor peoplea new bottom billionlive 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. They should design development aid to benefit poor people, not just poor countries ...

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