This statistics in other country:
This timeline shows a graph from 1999 to 1999 of Bulgaria. No data until 1998. Number of actual observations by date: 1.
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, 1999
Ranking of countries by current statistics by years