Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The size of each circle is proportional to the total number of surveyed individuals in each country. Countries are represented in green (community based surveys) or orange (school-aged children). Countries with both type of surveys are represented in green and orange bars.
