Table 1.

Data on population, mortality, and health expenditure by income region (8).

Region by Income	% population 0–14 years (2016)	Total population 0–14 years (2015)	Gross national income (GNI) per capita (US $, 2016)	Health expenditure per capita (US $, 2014)	Under-5 mortality (per 1,000 live births), 2016
Low income	42.67	275 365 283	$612	$35	73.1
Lower-middle income	30.83	923 253 971	$2,079	$90	50.7
Upper-middle income	20.60	528 220 719	$8,210	$506	14.1
High income	16.7	197 950 251	$41,046	$5,266	5.4

As of July 1, 2016, low-income economies are defined as those with a GNI per capita, calculated using the World Bank Atlas method, of $1,025 or less in 2015; lower-middle-income economies are those with a GNI per capita between $1,026 and $4,035; upper-middle-income economies are those with a GNI per capita between $4,036 and $12,475; high-income economies are those with a GNI per capita of $12,476 or more.