Online annex: Inter-agency Task Force on Financing for Development (https://developmentfinance.un.org). Share of social contributions in social protection expenditure, 2015 , Low-income countries,22.5 High-income countries: non-OECD,51.1 Upper-middle-income countries,57.0 Average,57.2 High-income countries: OECD,58.1 Lower-middle-income countries,75.1 Chart downloaded on 2019-06-15 02:37:14 from https://developmentfinance.un.org based on data from ILO World Social Protection Database. (http://www.social-protection.org/gimi/gess/ShowWiki.action?lang=EN&id=594).