The indigenous population of the Federated States of Micronesia, which is predominantly Micronesian, consists of various ethnolinguistic groups. English has become the common language. Population growth remains high at more than 3%, ameliorated somewhat by net emigration.

The island of Pohnpei is notable for the prevalence of the extreme form of color blindness known as maskun.

Population: 133,144 (July 2000 est.)

Age structure:
0-14 years: NA
15-64 years: NA
65 years and over: NA

Population growth rate: 3.28% (2000 est.)

Birth rate: 27.09 births/1,000 population (2000 est.)

Death rate: 5.95 deaths/1,000 population (2000 est.)

Net migration rate: 11.65 migrant(s)/1,000 population (2000 est.)

Infant mortality rate: 33.48 deaths/1,000 live births (2000 est.)

Life expectancy at birth:
total population: 68.63 years
male: 66.67 years
female: 70.62 years (2000 est.)

Total fertility rate: 3.83 children born/woman (2000 est.)

Nationality:
noun: Micronesian(s)
adjective: Micronesian; Kosrae(s), Pohnpeian(s), Trukese, Yapese

Ethnic groups: nine ethnic Micronesian and Polynesian groups

Religions: Roman Catholic 50%, Protestant 47%, other and none 3%

Languages: English (official and common language), Trukese, Pohnpeian, Yapese, Kosrean

Literacy:
definition: age 15 and over can read and write
total population: 89%
male: 91%
female: 88% (1980 est.)