Table 3.

Socioeconomic variables included in the SVI and sources of data

Data	Variables	Sources
Age	% of population < 4 years old % of population > 65 years old	Kenya National Bureau of Statistics (KNBS) and Society for International Development-East Africa (SID) (2013) Exploring Kenya’s Inequality. https://www.knbs.or.ke/?page_id=3142 Kenya National Bureau of Statistics (KNBS) (2015) County Statistical Abstract. https://www.knbs.or.ke/?page_id=3142 National Bureau of Statistics, Tanzania (NBS) (2016) Basic Demographic and Socio-Economic Profile. Population and Housing Census 2012. https://www.nbs.go.tz/index.php/en/regional-profiles Instituto Nacional de Estadística de Mozambique (INE) (2013) http://www.ine.gov.mz/estatisticas/estatisticas-territorias-distritais
Population growth and density	% average annual growth Inhabitants/km2
Education	% illiteracy rate
Housing standards	% of houses made of natural materials (floor, walls and roof)
Sanitation	% population with unimproved water source % population unimproved human waste collection

Note: Madagascar was excluded from the SVI as the census data (1993) were considered outdated and not comparable with the other countries