Chart of the week: tracking China_��s investments in Africa

Much has been written about China in Africa - a relationship that has been described as neo-colonial as China's appetite for African resources has boomed and China has embarked on landmark projects such as the headquarters of the African Union in Addis Ababa. But quantifying the China-in-Africa story has been hard. There are official projects, aid donations, gifts, credit lines and more. Adding all that up is tricky - but a new database from AidData shows just how vast and sprawling Chinese investment in Africa has become. Chart of the week has run the numbers.

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