Yao baby Laos

The Lao (Lao: ລາວ, Isan: ลาว, IPA: láːw) are an ethnic group native to Southeast Asia, belonging to the family of Tai peoples.

The Yao nationality (its great majority branch is also known as Mien; Traditional Chinese: 瑤族, Simplified Chinese: 瑶族, Pinyin: Yáo zú; Vietnamese: người Dao) is a government classification for various minorities in China. They form one of the 55 ethnic minority groups officially recognized by the People's Republic of China, where they reside in the mountainous terrain of the southwest and south. They also form one of the 54 ethnic groups officially recognized by Vietnam. In the last census in 2000, they numbered 2,637,421 in China, and roughly 470,000 in Vietnam.

This article is about the demographic features of the population of Laos, including population density, ethnicity, education level, health of the populace, economic status, religious affiliations and other aspects of the population.

Laos' population was estimated at about 6,48 million in July 2011, dispersed unevenly across the country. Most people live in valleys of the Mekong River and its tributaries. Vientiane Prefecture, which includes Vientiane, the capital and largest city of the country, had about 569,000 residents in 1999. The country's population density is 23.4/km².

In March 2005, the total population was 5.62 million (2.82 million females, 2.80 million males) in the 2005 census, an increase of 1 047 000 since the previous 1995 census.