- They have one of the youngest populations in the world, with 75% of people younger than 30 years old, and they also suffer from high levels of alcohol consumption. The economic output is dominated by government services like health care and education.
- Majuro Atoll has a population of 50,000 people living on only 0.7 km² of land.
The capital Majuro has a population of 11,000, and there are only six small villages on the island.
- The territory consists of 30 islands or atolls, nine of which have been permanently settled since World War II. The total land area is only. There are no perennial rivers or streams on any islands, and transportation is primarily through a network of lagoons and creeks connected by causeways.
- The highest point above sea level is located on Blanche Harbour on Kwajalein Island.
- As of 2010, the total population of the Republic of the Marshall Islands was 72,219, roughly evenly divided between males and females. Therefore, the total population density is.
- The life expectancy at birth is 72 years, decreasing to 60 for males and 79 for females.
- The birth rate is 21 children per 1,000 people.
- There are 16 hospitals, 11 clinics, three dental clinics, three veterinary clinics, and several pharmacies that provide telecommunications services to rural areas. There are 715 teachers for a population of 72,219 people. There are 208 police officers to keep public order. There are 3 doctors per 100,000 people in Majuro Atoll (, 2008). The RMI’s GDP per capita of $5,000 has not changed much over the last 10 years.
- There are no Marshallese-language newspapers or radio stations.
- The majority of the population is literate, with roughly 20% having attended college or university.
- To be eligible for citizenship in the Marshall Islands, one must be a person of Marshallese descent or married to a Marshallese citizen and must live in the Marshall Islands continuously for five years preceding application for naturalization. Persons aged 18 to 60 years old may apply for citizenship; applicants must renounce citizenship of any other country. Applicants must also speak, read and write English well enough to conduct business transactions and understand dignitaries who speak at public events.
- The most common religion in the RMI is Christianity, with the majority being Protestant. There is a growing number of Catholics and Mormons, as well as a small Muslim population. According to Article 3 of the Constitution, freedom of religion is guaranteed by law, and there shall be no discrimination in the Republic based on religion. The latter clause is unique among nations with Christian majorities because it also bans discrimination against non-Christians.
- More than half of the adult population has never attended school, which means they cannot read or write.
- The main ethnic group is Micronesians (36,821 persons).
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