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 ranges of early childhood caries prevalence chronologically from 1999 to 2019 among developing and developed countries in children for 3-year-olds. No studies on 3 years old children in 2019. The number on top of the bars represents the number of studies; *denotes none or too few studies for a median and range; horizontal lines represent the median values
