關於「Vietnam population 2021」標籤，搜尋引擎有相關的訊息討論：

Population and Census - Open Development Vietnamvietnam.opendevelopmentmekong.net › topics › vietnams-...General Statistics Office of Vietnam - Tổng cục Thống kêwww.gso.gov.vn › ...Vietnam - Population 2023 - countryeconomy.comcountryeconomy.com › demography › population › viet