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Nairobi

Area of Nairobi 708.3 km²
Population 3.9 million
Male Population 2,002,365 (51.2%)
Female Population 1,912,217 (48.8%)
Population change from 1975 to 2015  +397%
Population change from 2000 to 2015  +65.9%
Median Age 23.7 years old
Male Median Age 25 years old
Female Median Age 22.4 years old
Timezone East Africa Time
Nairobi County is one of the 47 counties of Kenya. The smallest yet most populous of the counties, it is coterminous with the city of Nairobi, which is also the capital and largest city of Kenya. Source: Wikipedia

Nairobi Population

Years 1975 to 2015
Data1975199020002015
Population 787,586 1,617,320 2,360,119 3,914,578
Population Density 1,112 / km² 2,283 / km² 3,332 / km² 5,527 / km²
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Nairobi Area Population change from 2000 to 2015

Increase of 65.9% from year 2000 to 2015
LocationChange since 1975Change since 1990Change since 2000
Nairobi +397% +142% +65.9%
Kenya +241.6% +96.8% +48.4%
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Nairobi Population Tree

Population By Age and Gender
AgeMaleFemaleTotal
Under 5 250,329 248,356 498,686
5-9 191,239 194,977 386,217
10-14 151,295 160,001 311,296
15-19 145,548 193,184 338,733
20-24 263,130 332,085 595,216
25-29 292,345 284,688 577,033
30-34 227,621 176,821 404,443
35-39 167,763 119,171 286,935
40-44 111,252 72,138 183,391
45-49 82,241 51,649 133,891
50-54 52,036 31,340 83,377
55-59 30,475 18,954 49,430
60-64 18,962 12,867 31,830
65-69 9,309 7,265 16,575
70-74 5,707 5,461 11,169
75-79 3,112 3,257 6,370
80-84 0 0 0
85 Plus 0 0 0
Sources: CIESIN (Center for International Earth Science Information Network)

Nairobi Population Density

Population Density: 5,527 / km²
LocationPopulationAreaPopulation Density
Nairobi 3.9 million 708.3 km² 5,527 / km²
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Nairobi Historical and Projected Population

Estimated Population from 1730 to 2100
YearEst. PopulationAvg 10 year growth %Avg 10 year growth
1800 92,982 n/a n/a
1900 141,337 4.3% 4,835
1910 151,855 7.4% 10,518
1920 165,600 9.1% 13,745
1930 185,146 11.8% 19,546
1940 217,876 17.7% 32,730
1950 303,952 39.5% 86,076
1960 413,019 35.9% 109,067
1970 584,554 41.5% 171,535
1990 1,617,320 66.3% 516,383
2000 2,360,119 45.9% 742,799
2020 4,143,795 32.5% 891,838
2030 4,648,076 12.2% 504,281
2040 5,188,740 11.6% 540,664
2050 5,727,717 10.4% 538,977
2060 6,231,670 8.8% 503,953
2070 6,706,005 7.6% 474,335
2080 7,133,178 6.4% 427,173
2090 7,491,146 5% 357,968
2100 7,770,759 3.7% 279,613
Sources:
1. JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
2. CIESIN (Center for International Earth Science Information Network)
3. [Link] Klein Goldewijk, K., Beusen, A., Doelman, J., and Stehfest, E.: Anthropogenic land use estimates for the Holocene – HYDE 3.2, Earth Syst. Sci. Data, 9, 927–953, https://doi.org/10.5194/essd-9-927-2017, 2017.

Human Development Index (HDI)

Statistic composite index of life expectancy, education, and per capita income.
Sources: [Link] Kummu, M., Taka, M. & Guillaume, J. Gridded global datasets for Gross Domestic Product and Human Development Index over 1990–2015. Sci Data 5, 180004 (2018) doi:10.1038/sdata.2018.4

Nairobi CO2 Emissions

Carbon Dioxide (CO2) Emissions Per Capita in Tonnes Per Year
LocationCO2 EmissionsCO2 Emissions Per CapitaCO2 Emissions Intensity
Nairobi 3,661,042 t 0.94 t 5,169 t/km²
Sources: [Link] Moran, D., Kanemoto K; Jiborn, M., Wood, R., Többen, J., and Seto, K.C. (2018) Carbon footprints of 13,000 cities. Environmental Research Letters DOI: 10.1088/1748-9326/aac72a

Nairobi Area Annual Weather Averages

May Historical Weather Data (1958 to 2019)

Average Temp
19.4°C
66.9°F
Average High
24.2°C
75.6°F
Average Low
14.4°C
57.8°F
   Record High Temperature
32.6°C
90.7°F
   Record Low Temperature
9.0°C
48.2°F
   Average Precipitation
134.9 mm
5.3 in
   Average Precipitation Days (≥ 0.254 mm)
12.8 days
Sources:
1. NOAA (National Oceanic and Atmospheric Administration)
2. Lawrimore, Jay H.; Ray, Ron; Applequist, Scott; Korzeniewski, Bryant; Menne, Matthew J. (2016): Global Summary of the Month (GSOM), Version 1. NOAA National Centers for Environmental Information. https://doi.org/10.7289/V5QV3JJ5. Accessed Fri, 08 May 2020 06:54:17 GMT.

Natural Hazards Risk

Relative risk out of 10
Drought Medium (4)
Flood High (10)
Earthquake Low (2)
* Risk, particularly concerning flood or landslide, may not be for the entire area.
Sources:
1. Dilley, M., R.S. Chen, U. Deichmann, A.L. Lerner-Lam, M. Arnold, J. Agwe, P. Buys, O. Kjekstad, B. Lyon, and G. Yetman. 2005. Natural Disaster Hotspots: A Global Risk Analysis. Washington, D.C.: World Bank. https://doi.org/10.1596/0-8213-5930-4.
2. Center for Hazards and Risk Research - CHRR - Columbia University, Center for International Earth Science Information Network - CIESIN - Columbia University. 2005. Global Flood Hazard Frequency and Distribution. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4668B3D.
3. Center for Hazards and Risk Research - CHRR - Columbia University, Center for International Earth Science Information Network - CIESIN - Columbia University, and International Research Institute for Climate and Society - IRI - Columbia University. 2005. Global Drought Hazard Frequency and Distribution. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4VX0DFT.
4. Center for Hazards and Risk Research - CHRR - Columbia University, Center for International Earth Science Information Network - CIESIN - Columbia University. 2005. Global Earthquake Hazard Distribution - Peak Ground Acceleration. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4BZ63ZS.

Top places in Nairobi

Other places in Kenya

Place Area Population Population Density
Baringo 10,893.5 km² 666,066 61.1 / km²
Bomet 2,685.9 km² 1.1 million 409.5 / km²
Bungoma 3,017.1 km² 1.6 million 524.0 / km²
Busia 1,808.8 km² 841,003 465.0 / km²
Garissa 43,779 km² 985,417 22.5 / km²
Homa Bay 4,712.5 km² 1.1 million 226.8 / km²
Isiolo 25,389.7 km² 199,132 7.84 / km²
Kajiado 21,455 km² 805,196 37.5 / km²
Kakamega 2,989.3 km² 1.9 million 627.0 / km²
Keiyo 3,015.4 km² 456,738 151.5 / km²
Kericho 2,292.8 km² 737,280 321.6 / km²
Kiambu 2,570.8 km² 1.8 million 689.3 / km²
Kilifi 12,596.2 km² 1.3 million 104.3 / km²
Kirinyaga 1,476.9 km² 577,821 391.2 / km²
Kisii Central 1,325.5 km² 1.3 million 978.5 / km²
Kitui 30,514.2 km² 1.2 million 38.1 / km²
Kwale 8,305.7 km² 694,563 83.6 / km²
Laikipia 9,539.8 km² 487,404 51.1 / km²
Lamu 6,189.1 km² 107,590 17.4 / km²
Machakos 6,011.9 km² 1.2 million 202.9 / km²
Makueni 8,163.9 km² 973,515 119.2 / km²
Mandera 26,143.5 km² 1.8 million 67.3 / km²
Marsabit 75,991.6 km² 356,667 4.69 / km²
Mbeere 2,830.4 km² 573,613 202.7 / km²
Meru North 6,995.2 km² 1.5 million 217.4 / km²
Migori 3,159.3 km² 1.0 million 327.3 / km²
Mombasa 314.2 km² 1.1 million 3,493 / km²
Murang'a 2,537.4 km² 1.0 million 400.9 / km²
Nakuru 7,471.1 km² 2.0 million 263.1 / km²
Nandi 2,837.7 km² 941,182 331.7 / km²
Narok 18,299.5 km² 1.0 million 57.0 / km²
No Data 2,677.6 km² 1.1 million 404.8 / km²
Nyamira 890.1 km² 682,041 766.3 / km²
Nyandarua 3,280.6 km² 656,669 200.2 / km²
Nyeri 3,301.5 km² 752,732 228.0 / km²
Samburu 21,045.9 km² 271,246 12.9 / km²
Siaya 3,511.5 km² 946,623 269.6 / km²
Taita Taveta 17,132 km² 335,252 19.6 / km²
Tana River 38,808.7 km² 290,114 7.48 / km²
Tharaka 2,602.8 km² 397,449 152.7 / km²
Trans Nzoia 2,498.3 km² 1.0 million 401.8 / km²
Turkana 63,732.1 km² 994,791 15.6 / km²
Uasin Gishu 3,363.3 km² 1.1 million 327.3 / km²
Vihiga 560.4 km² 628,562 1,121 / km²
Wajir 56,784.2 km² 1.3 million 23.3 / km²
West Pokot 9,320.8 km² 628,884 67.5 / km²
The data on this page is estimated using a number of publicly available tools and resources. It is provided without warranty, and could contain inaccuracies.