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Denmark vs Iceland

30 metrics with data for both countries. The solid line is Denmark; the dashed grey line is Iceland.

Country A · Denmark
Country B · Iceland

Climate

CO2 emissions

Denmark: 28.4 Mt CO2/year · 2024Iceland: 3.80 Mt CO2/year · 2024
0501850190019502000Icelandhigh 1996

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

Denmark: 4.75 t CO2/person/year · 2024Iceland: 9.67 t CO2/person/year · 2024
0510151850190019502000Icelandhigh 1996

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

Temperature anomaly

Denmark: 0.93 °C vs 1991-2020 · 2025Iceland: 1.05 °C vs 1991-2020 · 2025
-2019401960198020002020Icelandhigh 2014low 1942

How much warmer or cooler a country's year was compared with its 1991-2020 average. Watch the map turn red as you move the slider towards today. Copernicus Climate Change Service (ERA5) via Our World in Data

Methane emissions

Denmark: 10.2 Mt CO2e/year · 2024Iceland: 0.56 Mt CO2e/year · 2024
05101850190019502000Icelandhigh 1967

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

Denmark: 45.9 Mt CO2e/year · 2024Iceland: 5.06 Mt CO2e/year · 2024
0501850190019502000Icelandhigh 1996

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

Denmark: 4.69 Mt CO2e/year · 2024Iceland: 0.35 Mt CO2e/year · 2024
05101850190019502000Icelandhigh 1983

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

Denmark: 444.9 kg CO2/person/year · 2024Iceland: 2,580 kg CO2/person/year · 2024
02k4k201420162018202020222024Iceland

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

Renewable energy share

Denmark: 41.7 % of primary energy · 2024Iceland: 80.5 % of primary energy · 2024
050197019801990200020102020Icelandlow 1976

The slice of a country's energy that comes from renewables such as wind, solar and hydro. Energy Institute Statistical Review via Our World in Data

Fossil fuel share

Denmark: 58.3 % of primary energy · 2024Iceland: 19.5 % of primary energy · 2024
050100197019801990200020102020Icelandhigh 1976

The slice of a country's energy still coming from coal, oil and gas. The number the world is trying to shrink. Energy Institute Statistical Review via Our World in Data

Energy use per person

Denmark: 32,832 kWh/person/year · 2024Iceland: 159,676 kWh/person/year · 2024
0100k200k197019801990200020102020Icelandhigh 1996low 2021

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

Denmark: 13.4 % of electricity · 2025Iceland: 0.05 % of electricity · 2024
05101990200020102020Iceland

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

Denmark: 57.7 % of electricity · 2025Iceland: 0.05 % of electricity · 2024
02040601990200020102020Icelandhigh 2024

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

Coal electricity

Denmark: 2.67 % of electricity · 2025Iceland: 0.00 % of electricity · 2024
0501990200020102020Icelandhigh 1991

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

Electric car sales

Denmark: 71.0 % of new cars · 2025Iceland: 62.0 % of new cars · 2025
0204060201520202025Iceland

The share of newly sold cars that are electric. Norway crossed 90% in the early 2020s; most of the world is following. International Energy Agency via Our World in Data

Oil electricity

Denmark: 3.72 % of electricity · 2025Iceland: 0.00 % of electricity · 2024
05101990200020102020Icelandhigh 2000low 2018

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

Denmark: 2.43 % of electricity · 2025Iceland: 0.00 % of electricity · 2024
010201990200020102020Icelandhigh 2004low 1991

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

Denmark: 16.1 % of land · 2025Iceland: 0.61 % of land · 2025
0510151990200020102020Iceland

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

Deaths from natural disasters

Denmark: 0.00 deaths/year · 2021Iceland: 0.00 deaths/year · 2021
01220002005201020152020Icelandhigh 2013

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

Denmark: 0.98 index (1 = species safe) · 2024Iceland: 0.88 index (1 = species safe) · 2024
00.51200020102020Iceland

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

Denmark: 15.8 % of land area · 2024Iceland: 20.9 % of land area · 2024
01020201420162018202020222024Iceland

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

Denmark: 101.3 kg/person/year · 2023Iceland: 98.1 kg/person/year · 2023
050100198020002020Icelandhigh 1998low 1965

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

Denmark: 81.9 kg N/ha of cropland · 2023Iceland: 71.9 kg N/ha of cropland · 2023
050100150198020002020Icelandhigh 1983

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

Denmark: 18.6 % of territorial waters · 2024Iceland: 0.50 % of territorial waters · 2024
01020201420162018202020222024Iceland

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

Denmark: 88.8 % living in cities · 2025Iceland: 94.2 % living in cities · 2025
0501001960198020002020Iceland

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

Water stress

Denmark: 25.3 % of renewable resources withdrawn · 2022Iceland: 0.39 % of renewable resources withdrawn · 2022
010203020002005201020152020Icelandhigh 2018low 2007

How much of a country's renewable freshwater is withdrawn each year. Above 25% counts as stressed; above 100% means drawing down reserves. FAO AQUASTAT (SDG 6.4.2) via Our World in Data

Renewable water per person

Denmark: 1,016 m³/person/year · 2022Iceland: 445,023 m³/person/year · 2022
0500k1M198020002020Iceland

Each person's share of the country's renewable freshwater. Below 1,700 m³ is water stress; below 1,000 m³ is scarcity. FAO AQUASTAT via Our World in Data

Safely managed drinking water

Denmark: 99.9 % of population · 2024Iceland: 100.0 % of population · 2024
05010020002005201020152020Icelandhigh 2020

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

Annual precipitation

Denmark: 723.0 mm/year · 2025Iceland: 1,409 mm/year · 2025
05001k1.5k19401960198020002020Icelandhigh 2024low 1947

Total rain and snow that fell over a country in a year, averaged across its land area. Copernicus Climate Change Service (ERA5) via Our World in Data

Rainfall anomaly

Denmark: -6.70 % vs 1961-1990 · 2025Iceland: 5.20 % vs 1961-1990 · 2025
-2002019401960198020002020Icelandhigh 2024low 1947

How much wetter (teal) or drier (brown) a country's year was compared with its 1961-1990 average. A simple drought and deluge signal. Derived from Copernicus ERA5 precipitation via Our World in Data

Pollution

Air pollution (PM2.5)

Denmark: 9.00 µg/m³ annual mean · 2024Iceland: 4.60 µg/m³ annual mean · 2024
051020002005201020152020Icelandhigh 2003low 2020

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