Merelani Facts
| Area | 16234.6 km² |
| Population | 242,281 |
| Male Population | 120,713 (49.8%) |
| Female Population | 121,568 (50.2%) |
| Population change (1975 to 2020) | +271.3% |
| Population change (2000 to 2020) | +71.1% |
| Median Age | 15.7 years (Male: 15.5, Female: 16) |
| GDP per capita (PPP) | $2,231 (2022) |
| Local Time | |
| Timezone | East Africa Time |
| Lat & Lng | -3.56182, 36.97895 |
Map of Merelani
Interactive Map
Merelani Population
Years 1975 to 2030
| Data | 1975 | 1990 | 2000 | 2015 | 2020 | 2025* | 2030* |
|---|---|---|---|---|---|---|---|
| Population | 65,250 | 106,472 | 141,567 | 212,464 | 242,281 | 274,251 | 306,568 |
| Population Density | 4 / km² | 6.6 / km² | 8.7 / km² | 13.1 / km² | 14.9 / km² | 16.9 / km² | 18.9 / km² |
* Projected
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up gridMerelani Population change from 2000 to 2020
Increase of 71.1% from year 2000 to 2020
| Location | Change since 1975 | Change since 1990 | Change since 2000 |
|---|---|---|---|
| Merelani | +271.3% | +127.6% | +71.1% |
| Arusha Region | — | — | — |
| Tanzania | — | — | — |
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
Merelani Median Age
Median Age: 15.7 years
| Location | Median Age | Median Age (Female) | Median Age (Male) |
|---|---|---|---|
| Merelani | 15.7 yrs | 16 yrs | 15.5 yrs |
| Arusha Region | 18.5 yrs | 19 yrs | 18 yrs |
| Tanzania | 17.7 yrs | 18.2 yrs | 17.1 yrs |
Sources: CIESIN (Center for International Earth Science Information Network)
Merelani Population Density
Population Density: 14.9 / km²
| Location | Population | Area | Density |
|---|---|---|---|
| Merelani | 242,281 | 16,234.6 km² | 14.9 / km² |
| Arusha Region | 2 million | 36,962.5 km² | 53.5 / km² |
| Tanzania | 53.2 million | 940,193.6 km² | 56.6 / km² |
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
Merelani Historical and Projected Population
Estimated Population from 600 to 2100
Sources:
- JRC (European Commission's Joint Research Centre) work on the GHS built-up grid
- CIESIN (Center for International Earth Science Information Network)
- [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.
Source: [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
Merelani Gross Domestic Product (GDP)
GDP per capita, PPP (constant 2017 international $)
| Data | 1990 | 1995 | 2000 | 2005 | 2010 | 2015 | 2020 | 2022 |
|---|---|---|---|---|---|---|---|---|
| GDP per capita | $1,651 | $1,542 | $1,158 | $1,606 | $1,661 | $1,785 | $2,132 | $2,231 |
| Total GDP | $178.4M | $194.1M | $164.3M | $266.4M | $316.7M | $395.1M | $549.3M | $610.8M |
Source: [Link] Kummu, M., Kosonen, M. & Masoumzadeh Sayyar, S. Downscaled gridded global dataset for gross domestic product (GDP) per capita PPP over 1990–2022. Sci Data 12, 178 (2025) doi:10.1038/s41597-025-04487-x
Merelani CO2 Emissions
Carbon Dioxide (CO2) Emissions Per Capita in Tonnes Per Year
| Location | CO2 Emissions | CO2 Emissions Per Capita | CO2 Emissions Intensity |
|---|---|---|---|
| Merelani | 60,599 tn | 0.25 tn | 3.7 tons/km² |
| Arusha Region | 603,783 tn | 0.31 tn | 16.3 tons/km² |
| Tanzania | 13,721,720 tn | 0.26 tn | 14.6 tons/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
Merelani CO2 Emissions
| 2013 CO2 emissions (tonnes/year) | 60,599 tn |
| 2013 CO2 emissions (tonnes/year) per capita | 0.25 tn |
| 2013 CO2 emissions intensity (tonnes/km²/year) | 3.7 tons/km² |
Natural Hazards Risk
Relative risk out of 10
| Hazard | Risk Level |
|---|---|
| Drought | Medium (4.7) |
| Flood | High (10) |
| Earthquake | Medium (4.5) |
| Landslide | Medium (6) |
* Risk, particularly concerning flood or landslide, may not be for the entire area.
Sources:
- 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.
- Center for Hazards and Risk Research - CHRR - Columbia University, Center for International Earth Science Information Network - CIESIN - Columbia University, and Norwegian Geotechnical Institute - NGI. 2005. Global Landslide Hazard Distribution. Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC). https://doi.org/10.7927/H4P848VZ.
- 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.
- 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.
- 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.
Recent Nearby Earthquakes
Magnitude 3.0 and greater
| Date▼ | Time↕ | Magnitude↕ | Distance↕ | Depth↕ | Location↕ | Link |
|---|---|---|---|---|---|---|
| 8/20/19 | 6:54 AM | 4.8 | 70.1 km | 10,000 m | 15km WNW of Naberera, Tanzania | usgs.gov |
| 2/7/19 | 8:52 AM | 3.7 | 52.7 km | 10,000 m | 7km NE of Moshi, Tanzania | usgs.gov |
| 8/21/13 | 8:30 AM | 4.6 | 77.6 km | 15,680 m | 12km WNW of Monduli, Tanzania | usgs.gov |
| 8/4/07 | 7:50 PM | 4.2 | 93.4 km | 10,000 m | Tanzania | usgs.gov |
| 7/18/07 | 12:22 AM | 4.3 | 97.6 km | 10,000 m | Tanzania | usgs.gov |
| 2/5/76 | 7:46 AM | 4.2 | 65.9 km | 33,000 m | Tanzania | usgs.gov |
Source: U.S. Geological Survey (USGS)
About Our Data
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. Use at your own risk.