Sex ratio at birth (male births per female births)
Sex ratio at birth refers to male births per female births. The data are 5 year averages. More info »
1962
1969
1977
1984
1991
1998
2006
2013
2020
-0.20
0.00
0.20
0.40
0.60
0.80
1.00
1.20
Bulgaria
Data source: World Bank, World Development Indicators - Last updated January 1, 2020