Wittgenstein Projection: Population in thousands by highest level of in Tonga

Tonga: Wittgenstein Projection: Population in thousands by highest level of was 27.81 in 2100. ▲ Rising

Latest (2100)
27.81
World rank
166th
of 166 countries
All-time high
27.92
in 2095
All-time low
8.9
in 2010
Years of data
19
2010–2100

Wittgenstein Projection: Population in thousands by highest level of in Tonga, 2010–2100

10152025302010205521002010: 8.92015: 10.42020: 12.42025: 14.72030: 172035: 18.92040: 20.42045: 21.82050: 23.12055: 24.32060: 25.22065: 262070: 26.62075: 272080: 27.42085: 27.72090: 27.92095: 27.92100: 27.8

Source: Wittgenstein Centre for Demography and Global Human Capital: http://www.oeaw.ac.at/vid/dataexplorer/.

Analysis

In 2100, wittgenstein projection: population in thousands by highest level of in Tonga stood at 27.81.

The figure is down 0.3% over ten years.

Over the whole period, wittgenstein projection: population in thousands by highest level of in Tonga peaked at 27.92 in 2095 and was at its lowest, 8.9, in 2010.

Tonga ranks 166th of 166 countries on this measure, in the bottom quarter.

The long-run direction has been consistently rising across the 19 years of available data.

Wittgenstein Projection: Population in thousands by highest level of in Tonga, year by year

Annual values for Wittgenstein Projection: Population in thousands by highest level of educational attainment. Upper Secondary. Total in Tonga, 2010 to 2100.
Year Value Change
2010 8.9 —
2015 10.37 +16.5%
2020 12.4 +19.6%
2025 14.71 +18.6%
2030 17 +15.6%
2035 18.87 +11.0%
2040 20.39 +8.1%
2045 21.8 +6.9%
2050 23.14 +6.1%
2055 24.31 +5.1%
2060 25.21 +3.7%
2065 25.98 +3.1%
2070 26.57 +2.3%
2075 27.04 +1.8%
2080 27.44 +1.5%
2085 27.73 +1.1%
2090 27.9 +0.6%
2095 27.92 +0.1%
2100 27.81 -0.4%

Tonga compared with similar countries

  • Tonga's 27.81 is below the median for upper middle income countries, which is 3,414, 1% of the median. (49 countries reporting)
  • Tonga's 27.81 is below the median for East Asia & Pacific, which is 3,884, 1% of the median. (23 countries reporting)

Averages by decade

DecadeAverage LowestHighest Years
2010s 9.63 8.9 10.37 2
2020s 13.55 12.4 14.71 2
2030s 17.94 17 18.87 2
2040s 21.09 20.39 21.8 2
2050s 23.73 23.14 24.31 2
2060s 25.59 25.21 25.98 2
2070s 26.8 26.57 27.04 2
2080s 27.59 27.44 27.73 2
2090s 27.91 27.9 27.92 2
2100s 27.81 27.81 27.81 1

Countries ranked near Tonga

  1. 163 Samoa 37.54 compare
  2. 164 Saint Vincent and the Grenadines 31.6 compare
  3. 165 Aruba 30.37 compare

See the full ranking of 167 places →

More reference data data for Tonga

All data for Tonga →

Frequently asked questions

What is wittgenstein projection: population in thousands by highest level of in Tonga?
Wittgenstein projection: population in thousands by highest level of in Tonga was 27.81 in 2100, according to Wittgenstein Centre for Demography and Global Human Capital: http://www.oeaw.ac.at/vid/dataexplorer/.
What is the highest wittgenstein projection: population in thousands by highest level of recorded in Tonga?
The highest recorded value was 27.92 in 2095.
What is the lowest wittgenstein projection: population in thousands by highest level of recorded in Tonga?
The lowest recorded value was 8.9 in 2010.
How does Tonga rank for wittgenstein projection: population in thousands by highest level of?
Tonga ranks 166th out of 166 countries with data for 2100.
Is wittgenstein projection: population in thousands by highest level of rising or falling in Tonga?
Over the last ten years it is down 0.3%. The long-run trend across the full record is rising.
Where does this Tonga data come from?
The figures come from Wittgenstein Centre for Demography and Global Human Capital: http://www.oeaw.ac.at/vid/dataexplorer/, published as part of Wittgenstein Projection: Population in thousands by highest level of educational attainment. Upper Secondary. Total. Statizoid updates them automatically from the source API.

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Wittgenstein Projection: Population in thousands by highest level of in Tonga. Statizoid, drawing on Wittgenstein Centre for Demography and Global Human Capital: http://www.oeaw.ac.at/vid/dataexplorer/. Retrieved 29 September 2026, from https://reference.statizoid.com/stat/wittgenstein-projection-population-in-thousands-by-highest-level-of-educational-9/tonga/

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About this data

Indicator
Wittgenstein Projection: Population in thousands by highest level of educational attainment. Upper Secondary. Total
Source
Wittgenstein Centre for Demography and Global Human Capital: http://www.oeaw.ac.at/vid/dataexplorer/
Licence
CC BY 4.0 (World Bank Open Data)
Coverage
167 places, 3,173 data points, 2010–2100
Last refreshed

Total population in thousands that has completed upper secondary or incomplete post-secondary education as the highest level of educational attainment. Projections are based on collected census and survey data for the base year (around 2010) and the Medium Shared Socioeconomic Pathways (SSP2) projection model. The SSP2 is a middle-of-the-road scenario that combines medium fertility with medium mortality, medium migration, and the Global Education Trend (GET) education scenario. For more information and other projection models, consult the Wittgenstein Centre for Demography and Global Human Capital's website: http://www.oeaw.ac.at/vid/dataexplorer/