This statistics in other country:
This timeline shows a graph from 1991 to 2011 of Sudan. No data until 1990. Number of actual observations by date: 3.
World Development Indicators
Household surveys, including Demographic and Health Surveys and Multiple Indicator Cluster Surveys. Largely compiled by United Nations Population Division.
apr 23, 2017
Indicators value changes by year
At the date of observation
Change from previous value
jan 1, 1991
jan 1, 1994
jan 1, 2011
Ranking of countries by current statistics by years