Melanesia vs Non-Annex I countries: Temperature change

Melanesia
0.857 °C
in 2025
Non-Annex I countries
1.49 °C
in 2025
Melanesia rank
19th
Non-Annex I countries rank
20th

Temperature change over time

  • Melanesia
  • Non-Annex I countries
-0.500.511.52196119932025

How they compare

Non-Annex I countries currently reports 1.49 °C against 0.857 °C in Melanesia, a difference of 0.633 °C.

That makes Non-Annex I countries's figure about 1.7 times Melanesia's.

The two have swapped places 20 times across 65 shared years of data; in 1961 it was Non-Annex I countries ahead.

Melanesia ranks 19th and Non-Annex I countries ranks 20th of 22 countries.

Non-Annex I countries has averaged higher in every one of the 7 decades both report.

Head to head by decade

Decade Melanesia Non-Annex I countries Difference Ahead
1960s -0.08 °C -0.0227 °C 0.0573 °C Non-Annex I countries
1970s 0.0052 °C 0.0291 °C 0.0239 °C Non-Annex I countries
1980s 0.1994 °C 0.2641 °C 0.0647 °C Non-Annex I countries
1990s 0.2772 °C 0.5127 °C 0.2355 °C Non-Annex I countries
2000s 0.3361 °C 0.8473 °C 0.5112 °C Non-Annex I countries
2010s 0.4844 °C 1.1 °C 0.6181 °C Non-Annex I countries
2020s 0.8668 °C 1.49 °C 0.6223 °C Non-Annex I countries

Averages of every year both report within each decade.

Frequently asked questions

Which has higher temperature change, Melanesia or Non-Annex I countries?
Non-Annex I countries, at 1.49 °C against 0.857 °C in Melanesia as of 2025.
What is the difference in temperature change between Melanesia and Non-Annex I countries?
0.633 °C, with Non-Annex I countries ahead.
How many years of comparable data are there for Melanesia and Non-Annex I countries?
65 years are reported by both, from 1961 to 2025.
How do Melanesia and Non-Annex I countries rank globally for temperature change?
Melanesia ranks 19th and Non-Annex I countries ranks 20th of 22 countries.
Where does this data come from?
Food and Agriculture Organization of the United Nations, published as Temperature change. Statizoid refreshes it automatically from the source and publishes the full history for both places.

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Melanesia vs Non-Annex I countries: Temperature change. Statizoid, drawing on Food and Agriculture Organization of the United Nations. Retrieved 27 September 2026, from https://environment.statizoid.com/compare/temperature-change/melanesia/non-annex-i-countries/

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About this data

Indicator
Temperature change
Unit
°C
Source
Food and Agriculture Organization of the United Nations
Licence
CC BY-NC-SA 3.0 IGO (FAO)
Coverage
288 places, 16,949 data points, 1961–2025
Last refreshed

The FAOSTAT Temperature change on land domain disseminates statistics of mean surface temperature change by country, with annual updates. Statistics are available for monthly, seasonal and annual mean temperature anomalies, i.e., temperature change with respect to a baseline climatology, corresponding to the period 1951–1980. The standard deviation of the temperature change of the baseline methodology is also available. Data are based on the publicly available GISTEMP data, the Global Surface Temperature Change data distributed by the National Aeronautics and Space Administration Goddard Institute for Space Studies (NASA-GISS).