According to the definition of the Organization for Economic Cooperation and Development (OECD), foreign aid includes: grants to underdeveloped nations, non-compensatory technical assistance, as well as low-interest loan packages of which more than 25 % is in grants and the interest rate is below the market rate.
根據「經濟合作暨發展組織」（簡稱 OECD）的定義，對外經濟援助包括：對落後國家的贈款、無償性技術協助，及包含百分之廿五以上贈款，且低於市場利率的貸款。