The World Development Report (2018) includes the following information regarding sources: "WDR 2018 team, using reading and mathematics data for Kenya and Uganda from Uwezo, Annual Assessment Reports, 2015 (www.uwezo.net/); reading and mathematics data for rural India from ASER Centre (2017); reading data for all other countries from U.S. Agency for International Development (USAID), Early Grade Reading Barometer, 2017, accessed May 30, 2017 (www.earlygradereadingbarometer.org/); and mathematics data for all other countries from USAID/RTI Early Grade Mathematics Assessment intervention reports, 2012–15 (shared.rti.org/sub-topic/early-grade-math-assessment-egma)."

The original source notes: "These data typically pertain to selected regions in the countries and are not necessarily nationally representative. Data for India pertain to rural areas."

Sources

Data Published By: World Development Report (2018)

Data publisher source:Early Grade Reading Barometer and other country-specific surveys

Link: http://www.worldbank.org/en/publication/wdr2018/brief/world-development-report-2018-data