Figure 1.
World population growth 1950–2019 with projections to 2050 based on Jensen et al., 2020 [10].
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.