Demographics of Nigeria
is the most populous country in Africa and the sixth most populous in the world. Nigeria is also one of the most densely populated countries in Africa, with approximately 218.5 million people in an area of.
54.3% of Nigerians are urban dwellers, with the annual rate of urbanisation being estimated at 3.92%. Nigeria is home to 371 ethnic groups speaking over 500 languages and the variety of customs and traditions among them gives the country great cultural diversity. The three largest ethnic groups, namely the Hausas, Yorubas, and Igbos constitute more than 60% of the population. The Ijaw, Efik, Ibibio, Annang, Ogoni, Tiv, Urhobo-Isoko, Edo and Itsekiri are some of the other sizeable ethnic groups. Over 1.2 million people living in Nigeria are from a continent other than Africa. In particular, 100,000 people are from the United States, 75,000 are from Lebanon, 60,000 are from China and 16,000 are from the United Kingdom.
Nigeria has a young population overall, with 42.54% of inhabitants between the ages of 0–14. There is also a very high dependency ratio at 88.2 dependents per 100 non-dependents. The three main religious groups are Muslims, Christians, and adherents of indigenous religions. The predominantly Christian Igbo are found in the south-east. Roman Catholicism is the largest Christian denomination in Igboland, but Anglicanism is also strong, as are Pentecostalism and other Evangelical denominations.
Persons of different ethnic backgrounds most commonly communicate in English, although knowledge of two or more Nigerian languages is widespread. Hausa, Igbo and Yoruba are the most widely used Nigerian languages. Nigerian Pidgin is used widely as an unofficial medium of communication, especially in the Nigerian cities of Warri, Sapele, Ughelli, Benin, and Port Harcourt.
Population
Nigeria's population has been increasing rapidly for at least the last 5 decades due to very high birth rates, quadrupling its population during this time. Growth was fastest in the 1980s, after child mortality dropped rapidly. It has slowed slightly since then as both the birth rate and total fertility, rate have declined marginally since a 1978 peak. According to the 2017 revision of the World Population Prospects the total population was 191 million in 2016, compared to only 38 million in 1950. Fertility rates turned out to be lower than expected in Nigeria, with double-digit decreases.The proportion of children under the age of 15 in 2010 was 44.0%, 53.2% were between 15 and 65 years of age, while 2.7% were 65 years or older. There is a large degree of population momentum, with 3.2 per cent growth leading to the projected population of 546 million by 2100.
The federal government has not elected to implement the type of controversial family planning programs that have reduced population growth of other developing nations, a result of low political support for these programs and a cultural preference for large families as well as high levels of social instability. Rising educational levels and health care improvements may enable future parents to plan for smaller families.
The former Nigeria's chairman of National Population Commission, Eze Duruiheoma, delivering Nigeria's statement in New York City on sustainable cities, human mobility and international migration in the 51st session of Commission on Population and Development, said that "Nigeria remains the most populous in Africa, the seventh globally with an estimated population of over 198 million. The World Population Prospects predicts that by 2050, Nigeria will become the third most populated country in the world. Over the last 50 years, Nigeria's urban population has grown at an average annual growth rate of more than 6.5% without commensurate increases in social amenities and infrastructure." He also stated that the population "grew substantially from 17.3% in 1967 to 49.4% in 2017."
Population by sex and age
Population by sex and age group| Age | Population | Percent |
| Total | 140,431,790 | 100 |
| 0–4 | 22,594,967 | 16.09 |
| 5–9 | 20,005,380 | 14.25 |
| 10–14 | 16,135,950 | 11.49 |
| 15–19 | 14,899,419 | 10.61 |
| 20–24 | 13,435,079 | 9.57 |
| 25–29 | 12,211,426 | 8.70 |
| 30–34 | 9,467,538 | 6.74 |
| 35–39 | 7,331,755 | 5.22 |
| 40–44 | 6,456,470 | 4.60 |
| 45–49 | 4,591,293 | 3.27 |
| 50–54 | 4,249,219 | 3.03 |
| 55–59 | 2,066,247 | 1.47 |
| 60–64 | 2,450,286 | 1.74 |
| 65–69 | 1,151,048 | 0.82 |
| 70–74 | 1,264,937 | 0.95 |
| 75–79 | 579,838 | 0.41 |
| 80–84 | 760,053 | 0.54 |
| 85+ | 715,225 | 0.51 |
| Age group | Total | Male | Female | % |
| 0–14 | 58,736,297 | 30,462,148 | 28,274,149 | 41.83 |
| 15–64 | 77,158,732 | 38,348,799 | 38,809,933 | 54.94 |
| 65+ | 4,536,761 | 2,534,541 | 2,002,220 | 3.23 |
Population by age group
| Age | Population | Percent |
| Total | 193,392,517 | 100 |
| 0–4 | 31,116,156 | 16.09 |
| 5–9 | 27,549,964 | 14.25 |
| 10–14 | 22,221,265 | 11.49 |
| 15–19 | 20,518,404 | 10.61 |
| 20–24 | 18,501,820 | 9.57 |
| 25–29 | 16,816,694 | 8.70 |
| 30–34 | 13,038,009 | 6.74 |
| 35–39 | 10,096,763 | 5.22 |
| 40–44 | 8,891,384 | 4.60 |
| 45–49 | 6,322,797 | 3.27 |
| 50–54 | 5,851,717 | 3.03 |
| 55–59 | 2,845,486 | 1.47 |
| 60–64 | 3,374,357 | 1.74 |
| 65–69 | 1,585,140 | 0.82 |
| 70–74 | 1,832,402 | 0.95 |
| 75–79 | 798,511 | 0.41 |
| 80–84 | 1,046,690 | 0.54 |
| 85+ | 984,956 | 0.51 |
| 0–14 | 80,887,385 | 41.83 |
| 15–64 | 107,242,389 | 55.45 |
| 65+ | 5,262,743 | 2.72 |
Population by age group
| Age | Population | Percent |
| Total | 206,283,338 | 100 |
| 0–4 | 32,819,289 | 15.91 |
| 5–9 | 29,231,173 | 14.17 |
| 10–14 | 25,970,650 | 12.59 |
| 15–19 | 20,342,647 | 9.86 |
| 20–24 | 17,871,826 | 8.66 |
| 25–29 | 14,992,764 | 7.27 |
| 30–34 | 13,402,007 | 6.50 |
| 35–39 | 12,505,764 | 6.06 |
| 40–44 | 10,427,144 | 5.05 |
| 45–49 | 7,963,484 | 3.86 |
| 50–54 | 6,383,640 | 3.09 |
| 55–59 | 5,002,819 | 2.43 |
| 60–64 | 3,696,336 | 1.79 |
| 65–69 | 2,447,988 | 1.19 |
| 70–74 | 1,591,000 | 0.77 |
| 75–79 | 915,154 | 0.44 |
| 80+ | 719,653 | 0.35 |
| 0–14 | 88,021,112 | 42.67 |
| 15–64 | 112,588,431 | 54.58 |
| 65+ | 5,673,795 | 2.75 |
| Age group | Male | Female | Total |
| 0–4 | 16.1 | 15.0 | 15.5 |
| 5–9 | 16.5 | 15.7 | 16.1 |
| 10–14 | 13.8 | 13.8 | 13.8 |
| 15–19 | 9.0 | 9.3 | 9.2 |
| 20–24 | 6.4 | 7.9 | 7.1 |
| 25–29 | 6.0 | 7.5 | 6.8 |
| 30–34 | 5.5 | 6.4 | 6.0 |
| 35–39 | 5.5 | 5.5 | 5.5 |
| 40–44 | 5.1 | 4.5 | 4.8 |
| 45–49 | 4.1 | 3.3 | 3.7 |
| 50–54 | 3.1 | 3.9 | 3.5 |
| 55–59 | 2.2 | 2.2 | 2.2 |
| 60–64 | 2.4 | 1.8 | 2.1 |
| 65-69 | 1.6 | 1.2 | 1.4 |
| 70-74 | 1.3 | 0.9 | 1.1 |
| 75-79 | 0.7 | 0.5 | 0.6 |
| 80+ | 0.8 | 0.7 | 0.7 |
| Age group | Male | Female | Total |
| 0–14 | 46.4 | 44.5 | 45.4 |
| 15–64 | 49.3 | 52.3 | 50.8 |
| 65+ | 4.3 | 3.2 | 3.8 |