World  »  Nepal  »  Kosi Zone

Kosi Zone

Former Administrative Zone of Nepal

Koshi was one of the fourteen zones of Nepal until the restructure of zones to provinces. The headquarters of Koshi Zone was Biratnagar which was also its largest city. Other cities of Koshi Zone were Inaruwa, Dharan, Dhankutta,jhumka,Duhabi and Itahari. Source: Wikipedia

Area of Kosi Zone 9,584.9 km²
Population 3.1 million
Male Population 1,459,810 (47.7%)
Female Population 1,597,701 (52.3%)
Population change from 1975 to 2015 +1,714.5%
Population change from 2000 to 2015 +90.7%
Median Age 22.8 years
Male Median Age 21.8 years
Female Median Age 23.7 years
Timezone Nepal Time

Map of Kosi Zone

Population Over Time

Years 1975 to 2015
Data1975199020002015
Population 168,503 892,866 1,602,963 3,057,521
Population Density 17.6 / km² 93.2 / km² 167.2 / km² 319.0 / km²
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Population change from 2000 to 2015

Increase of 90.7% from year 2000 to 2015
LocationChange since 1975Change since 1990Change since 2000
Kosi Zone +1,714.5% +242.4% +90.7%
Nepal +115% +52% +20.2%
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Median Age

Median Age: 22.8 years
LocationMedian AgeMedian Age (Male)Median Age (Female)
Kosi Zone 22.8 years 21.8 years 23.7 years
Nepal 21.5 years 20.4 years 22.6 years
Sources: CIESIN (Center for International Earth Science Information Network)

Population By Age and Gender

Kosi Zone Population Tree
AgeMaleFemaleTotal
Under 5 144,251 138,980 283,231
5-9 178,009 173,126 351,135
10-14 195,376 191,120 386,496
15-19 172,573 177,590 350,163
20-24 113,064 157,582 270,646
25-29 98,296 142,315 240,612
30-34 89,570 118,057 207,628
35-39 88,427 106,227 194,655
40-44 81,966 91,475 173,441
45-49 73,741 77,930 151,672
50-54 66,874 66,951 133,825
55-59 54,100 52,990 107,090
60-64 46,260 47,040 93,301
65-69 33,532 33,119 66,651
70-74 23,665 23,109 46,774
75-79 49 40 89
80-84 31 28 59
85 Plus 28 24 52
Sources: CIESIN (Center for International Earth Science Information Network)

Population Density

Population Density: 319.0 / km²
LocationPopulationAreaPopulation Density
Kosi Zone 3.1 million 9,584.9 km² 319.0 / km²
Nepal 28.6 million 147,655.4 km² 193.4 / km²
Sources: JRC (European Commission's Joint Research Centre) work on the GHS built-up grid

Historical and Projected Population

Estimated Population from 1920 to 2100
YearEst. PopulationAvg 10 Year Growth %Avg 10 Year Growth
1920 65,787 n/a n/a
1930 71,719 9% 5,932
1940 78,185 9% 6,466
1950 85,233 9% 7,048
1960 101,578 19.2% 16,345
1970 124,825 22.9% 23,247
1990 892,866 167.4% 384,020
2000 1,602,963 79.5% 710,097
2020 3,340,414 44.4% 868,725
2030 3,880,248 16.2% 539,834
2040 4,355,189 12.2% 474,941
2050 4,753,347 9.1% 398,158
2060 5,043,112 6.1% 289,765
2070 5,204,163 3.2% 161,051
2080 5,249,416 0.9% 45,253
2090 5,185,262 -1.2% -64,154
2100 5,056,849 -2.5% -128,413
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

Other Zones in Nepal

Name Area Population Population Density
Bagmati Zone 9,418.4 km² 4.9 million 1,350 / mi²
Bheri Zone 10,072.4 km² 1.6 million 414.1 / mi²
Dhaulagiri Zone 8,226.7 km² 456,830 143.8 / mi²
Gandaki Zone 12,324 km² 1.4 million 297.8 / mi²
Janakpur Zone 9,648 km² 2.8 million 747.8 / mi²
Karnali Zone 21,378.5 km² 327,909 39.7 / mi²
Lumbini Zone 8,919.1 km² 2.8 million 824.2 / mi²
Mahakali Zone 6,948.3 km² 1.3 million 471.1 / mi²
Mechi Zone 8,163.4 km² 1.4 million 436.8 / mi²
Narayani Zone 8,400.6 km² 3.3 million 1,025 / mi²
Rapti Zone 11,039.3 km² 1.4 million 331.9 / mi²
Sagarmatha Zone 10,737.7 km² 2.1 million 504.7 / mi²
Seti Zone 12,795 km² 1.7 million 334.4 / mi²
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. See here for more information.