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Tonga vs United Kingdom

23 metrics with data for both countries. The solid line is Tonga; the dashed grey line is United Kingdom.

Country A · Tonga
Country B · United Kingdom

Climate

CO2 emissions

Tonga: 0.15 Mt CO2/year · 2024United Kingdom: 312.9 Mt CO2/year · 2024
02004006001960198020002020United Kingdomhigh 2019

Carbon dioxide released each year from burning fossil fuels and industry. The main driver of global warming. Global Carbon Budget via Our World in Data

CO2 emissions per person

Tonga: 1.46 t CO2/person/year · 2024United Kingdom: 4.53 t CO2/person/year · 2024
05101960198020002020United Kingdomhigh 2019low 1959

Each person's share of their country's yearly CO2 emissions. A fairer way to compare countries of very different sizes. Global Carbon Budget via Our World in Data

Methane emissions

Tonga: 0.10 Mt CO2e/year · 2024United Kingdom: 43.8 Mt CO2e/year · 2024
0501001501850190019502000United Kingdomhigh 1988

Methane traps around 80 times more heat than CO2 over 20 years. It comes mainly from livestock, rice, landfill and leaky fossil fuel infrastructure. Global Carbon Project / PRIMAP via Our World in Data

All greenhouse gases

Tonga: 0.28 Mt CO2e/year · 2024United Kingdom: 390.3 Mt CO2e/year · 2024
05001850190019502000United Kingdomhigh 2019low 1864

Every warming gas combined: CO2, methane and nitrous oxide, expressed as CO2-equivalents. Jones et al. / PRIMAP via Our World in Data

Nitrous oxide emissions

Tonga: 0.03 Mt CO2e/year · 2024United Kingdom: 28.1 Mt CO2e/year · 2024
020401850190019502000United Kingdom

N2O is nearly 300 times more warming than CO2 and comes mostly from fertilised farmland and livestock. Jones et al. / PRIMAP via Our World in Data

Aviation emissions per person

Tonga: 216.7 kg CO2/person/year · 2018United Kingdom: 481.9 kg CO2/person/year · 2024
02004002015201620172018United Kingdom

Each person's share of the CO2 from flights taking off in their country, including passengers and freight. ICCT / Graver et al. via Our World in Data

Energy

Energy use per person

Tonga: 6,819 kWh/person/year · 2023United Kingdom: 28,016 kWh/person/year · 2024
020k40k19801990200020102020United Kingdomhigh 2021low 1986

How much energy each person uses in a year, across electricity, transport, heating and industry. Energy Institute / Ember via Our World in Data

Solar electricity

Tonga: 14.3 % of electricity · 2024United Kingdom: 6.61 % of electricity · 2025
05101520002005201020152020United Kingdomhigh 2017

The share of a country's electricity generated from solar panels. The fastest-growing energy source in history. Ember / Energy Institute via Our World in Data

Wind electricity

Tonga: 0.00 % of electricity · 2024United Kingdom: 29.4 % of electricity · 2025
010203020002005201020152020United Kingdom

The share of a country's electricity generated from wind turbines, onshore and offshore. Ember / Energy Institute via Our World in Data

Coal electricity

Tonga: 0.00 % of electricity · 2024United Kingdom: 0.11 % of electricity · 2025
020406020002005201020152020United Kingdom

The share of electricity still generated by burning coal, the most polluting fuel. The number that must reach zero first. Ember / Energy Institute via Our World in Data

Oil electricity

Tonga: 85.7 % of electricity · 2024United Kingdom: 4.37 % of electricity · 2025
05010020002005201020152020United Kingdomlow 2017

The share of a country's electricity generated by burning oil. Rare on big grids, still common on islands. Ember via Our World in Data

Gas electricity

Tonga: 0.00 % of electricity · 2024United Kingdom: 31.1 % of electricity · 2025
0204020002005201020152020United Kingdom

The share of a country's electricity generated from natural gas, the least polluting fossil fuel but still a fossil fuel. Ember via Our World in Data

Land & Life

Forest area

Tonga: 12.1 % of land · 2025United Kingdom: 13.5 % of land · 2025
05101990200020102020United Kingdom

How much of a country's land is covered by forest. FAO via Our World in Data

Deaths from natural disasters

Tonga: 0.00 deaths/year · 2021United Kingdom: 1.02 deaths/year · 2021
0102020002005201020152020United Kingdomhigh 2009

People killed by floods, storms, droughts, heatwaves, earthquakes and other disasters each year. Single events dominate single years. IHME Global Burden of Disease via Our World in Data

Red List Index

Tonga: 0.72 index (1 = species safe) · 2024United Kingdom: 0.97 index (1 = species safe) · 2024
00.51200020102020United Kingdomlow 2022

Tracks extinction risk across all assessed species. 1 means no species at risk; falling values mean wildlife sliding towards extinction. IUCN / SDG 15.5.1 via Our World in Data

Protected land

Tonga: 13.3 % of land area · 2024United Kingdom: 28.4 % of land area · 2024
0102030201420162018202020222024United Kingdom

The share of a country's land under legal protection for nature. The global 30x30 target aims for 30% by 2030. World Bank / UNEP-WCMC via Our World in Data

Meat supply per person

Tonga: 156.9 kg/person/year · 2023United Kingdom: 84.4 kg/person/year · 2023
05010015020192020202120222023United Kingdom

Meat available for consumption per person. Livestock drives around 15% of global emissions and most deforestation. FAO via Our World in Data

Nitrogen fertiliser use

Tonga: 2.17 kg N/ha of cropland · 2023United Kingdom: 114.5 kg N/ha of cropland · 2023
01002001990200020102020United Kingdomhigh 2008low 2002

Nitrogen applied per hectare of cropland. It feeds half the world, but runoff chokes rivers and coastal seas. FAO via Our World in Data

Marine protected areas

Tonga: 0.10 % of territorial waters · 2024United Kingdom: 46.8 % of territorial waters · 2024
02040201420162018202020222024United Kingdom

How much of a country's coastal waters are protected for nature. The global goal is 30% by 2030. UNEP-WCMC via Our World in Data

Urban population

Tonga: 21.2 % living in cities · 2025United Kingdom: 83.3 % living in cities · 2025
0501960198020002020United Kingdomhigh 2011

The share of people living in towns and cities. Urbanisation shapes energy use, land use and how people experience climate change. UN World Urbanization Prospects via Our World in Data

Water

Safely managed drinking water

Tonga: 29.6 % of population · 2024United Kingdom: 99.8 % of population · 2024
05010020002005201020152020United Kingdom

The share of people with safe drinking water at home, available when needed and free from contamination. WHO/UNICEF JMP via Our World in Data

Safely managed sanitation

Tonga: 31.2 % of population · 2024United Kingdom: 97.8 % of population · 2024
05010020002005201020152020United Kingdomhigh 2010

The share of people whose toilet waste is safely treated rather than left to contaminate water and soil. WHO/UNICEF JMP via Our World in Data

Pollution

Air pollution (PM2.5)

Tonga: 3.80 µg/m³ annual mean · 2024United Kingdom: 8.80 µg/m³ annual mean · 2024
051020002005201020152020United Kingdomhigh 2008low 2016

Average exposure to fine particles small enough to enter the bloodstream. The WHO guideline is 5 µg/m³. World Bank / van Donkelaar et al. via Our World in Data