Traveling to some of the most amazing places in the world is an amazing experience. If we travel to the cleanest countries in the world, then its experience is different. Want to know what is the cleanest country in the world in 2025? Here is the list of top 10 cleanest countries in the world in 2025, with the highest EPI (Environmental Performance Index).
The EPI is a method of measuring and numerically characterizing the environmental performance of state policies. The cleanest countries in the world have been ranked among the dirtiest in a joint research by Yale University and Columbia University. The EPI provides a quantitative basis for comparing, analyzing and understanding the environmental performance of 180 countries.
10. Denmark – EPI 67.7
- Environmental Performance Index Score – 67.7
- GDP (nominal) – $412.2 billion
- GDP Per capita – $69,273
With an EPI score of 67.2, Denmark ranked 10th as the cleanest country in the world in 2025. It is a Nordic country in Northern Europe, the southernmost of the Scandinavian countries. Including Finland, Norway and Sweden. Denmark is located to the southwest of Sweden and south of Norway, and is bordered by Germany to the south.
Furthermore, Denmark’s total population is only 5.9 million, of which about 800,000 live in the capital and largest city, Copenhagen. It ranks second in the list of the happiest countries in the world according to a Gallup World Poll survey.
Denmark is a developed country, and Danes enjoy a high standard of living. At the same time, the country ranks high in certain metrics of national performance, including education, health care, protection of civil liberties, democratic governance, and LGBT equality.
See Also: Cleanest Airports In The World
09. Switzerland – EPI 67.8
- Environmental Performance Index Score – 67.8
- GDP (nominal) – $942.2 billion
- GDP Per capita – $106,097
Switzerland is ranked ninth among the top 10 cleanest countries in the world in 2025, with an EPI score of 67.8. It is known for its dense forests, wildlife as well as safe and clean water.
Switzerland is a land of natural beauty surrounded by a land at the confluence of Western, Central and Southern Europe. It is a federal republic made up of 26 cantons, with federal authorities based in Bern. Switzerland is bordered by Italy to the south, France to the west, Germany to the north, and Austria and Liechtenstein to the east.
Switzerland has a total area of 15,940 square miles and a land area of 15,443 square miles. Furthermore, although the Alps occupy the bulk of the region, the Swiss population of about 8.9 million is mostly concentrated on the plateau, where the largest cities and economic centers are, among them Zurich, Geneva and Basel.
Also, Switzerland is known for its expansive landscape. There are more than 1,500 lakes in this cleanest place on Earth, each less than 10 miles from another lake.
08. Austria – EPI 68.9
- Environmental Performance Index Score – 68.8
- GDP (nominal) – $535.8 billion
- GDP Per capita – $58,668
Austria is a developed country in the southern part of Central Europe. It is made up of nine federated states, one of which is Austria’s capital and largest city, Vienna. Austria ranks 8th on the list of top 10 cleanest countries in the world in 2025, with an EPI score of 68.9. Austria was ranked 8th in 2023 with an EPI score of 66.50.
Located in Central Europe, it is a landlocked rich country with mountainous areas. Importantly, it is safe from marine waste which has currently become a global concern.
Austria has an area of 32,386 square miles and a population of about 9 million. While Austrian German is the official language of the country. Two-thirds of its entire area is covered by grasslands and forests, and it is also home to the beautiful Krimal Springs.
07. Norway – EPI 69.9
- Environmental Performance Index Score – 69.9
- GDP (nominal) – $503.7 billion
- GDP Per capita – $90,433
Norway is a Nordic country in Northern Europe, with a population of 5.5 million as of 2025. Norway’s capital and largest city is Oslo. Norwegians have the second-highest GDP per capita among European countries, and the sixth-highest GDP per capita (PPP) in the world.
Norway ranks as the second-wealthiest country in terms of monetary value, with the largest capital reserves per capita of any country. According to the CIA World Factbook, Norway is a net external creditor of debt.
Norway ranked first in the world in the UNDP Human Development Index (HDI) in 2009. The standard of living in Norway is one of the highest in the world. It is also the seventh-cleanest country in 2025.
06. Sweden – EPI 70.3
- Environmental Performance Index Score – 70.3
- GDP (nominal) – $609 billion
- GDP Per capita – $57,212
With an EPI score of 70.3, Sweden ranks 6th among the top 10 cleanest countries in the world by 2025. It has consistently been on the list of the top 10 cleanest countries in the world for many years.
Sweden is a Nordic country of northern Europe. It is on the border of Finland in the west and north in Norway. Sweden is the largest country in Northern Europe, with an area of 450,295 square kilometers, the third largest country in the European Union, and is the fifth largest country in Europe.
Sweden’s capital and the largest city is Stockholm. The total population of the country is 10.5 million, in which 87% of swades are in urban areas, which cover 1.5% of the whole land area. The highest concentration is in the middle and southern part of the country.
Along with this, in the case of GDP per capita Sweden is the sixth richest country in the world and its citizens have experienced high quality. Sweden is one of the most beautiful places on earth.
See Also: Richest Countries In The World
05. United Kingdom – EPI 72.6
- Environmental Performance Index Score – 72.6
- GDP (nominal) – $3.58 trillion
- GDP Per capita – $52,423
The United Kingdom has an EPI score of 72.6. It is the 5th cleanest country in the world in 2025, and was ranked 2nd in 2023. The UK has a high Air Quality Index of 94.43. The UK has got full marks in terms of drinking water and sanitation.
Additionally, the United Kingdom is a sovereign country in northwestern Europe. The United Kingdom includes the island of Great Britain, the north-eastern part of the island of Ireland, and several smaller islands within the British Isles. It has a total area of 93,628 square miles, and a population of 68.2 million.
The United Kingdom has a partially regulated market economy. Based on market exchange rates, it has the fifth largest economy in the world, the second largest in Europe after Germany.
The United Kingdom is the 10th most visited country in the world in terms of tourism. It is the fourth most visited country in Europe.
04. Finland – EPI 73.8
- Environmental Performance Index Score – 73.8
- GDP (nominal) – $306 billion
- GDP Per capita – $54,773
Finland is a Nordic country in Northern Europe. It shares land borders with Sweden to the west, Russia to the east, and Norway to the north. Finland is the fourth cleanest country in the world 2025, achieving an EPI score of 73.8. It was ranked 3rd in 2023 with an EPI score of 76.50.
Finland covers an area of 338,455 square kilometers with a population of 5.6 million. Helsinki is the country’s capital and largest city, but together with the neighboring cities of Espoo, Kaunianen and Vantaa, it forms a larger metropolitan area. Finnish, the native language of the Finns, is one of the few Finnish languages in the world.
The climate varies relative to latitude, from a southern humid continental climate to a northern boreal climate. The land cover is primarily a boreal forest biome, with over 180,000 recorded lakes.
03. Germany – EPI 74.5
- Environmental Performance Index Score – 74.5
- GDP (nominal) – $4.7 trillion
- GDP Per capita – $55,521
Germany is a country in Central Europe that is set to be the third-cleanest country in the world by 2025. Its sixteen constituent states have a total population of over 82 million in an area of 138,069 square miles, making it the most populous member state of the European Union.
The country’s capital and most populous city is Berlin and its main financial center is Frankfurt; the largest urban area is the Ruhr. Germany has a social market economy with a highly skilled labor force, low levels of corruption, and high levels of innovation.
It is the world’s third-largest exporter and third-largest importer, and has the largest economy in Europe by nominal GDP, also being the world’s third-largest economy by nominal GDP and the sixth-largest by PPP-adjusted GDP.
02. Luxembourg – EPI 75.1
- Environmental Performance Index Score – 75.1
- GDP (nominal) – $91.2 billion
- GDP Per capita – $135,321
Luxembourg is a small landlocked country in Western Europe. It is bordered by Belgium to the west and north, Germany to the east and France to the south. Luxembourg is the 7th cleanest country in the world in 2023, with an EPI score of 75.1. Its capital, Luxembourg City, is one of the four official capitals of the European Union.
In addition, Luxembourg’s culture, people, and languages are highly intertwined with those of its neighbors, making it a mixture of French and German cultures. Luxembourg is a small country that covers an area of 2,586.4 km. The population of this country is approximately 672,050 in 2025, making it one of the least populated countries in Europe.
Most of Luxembourg is rural. In its northern part there are dense Ardennes forests and nature parks. With a GDP of 91 billion, Luxembourg is one of the richest countries in the world.
See Also: Most Developed Countries In The World
01. Estonia – EPI 75.1
- Environmental Performance Index Score – 75.1
- GDP (nominal) – $43.4 billion
- GDP Per capita – $31,854
The Republic of Estonia is a country located along the Baltic Sea in Northern Europe. It is ranked first in the top 10 cleanest countries in the world in 2025. Estonia is a developed country with an advanced, high-income economy that has been one of the fastest-growing economies since its entry into the European Union in 2004.
Estonia has more than 2,300 islands and islets, covering a total area of 45,335 square kilometers. Tallinn and Tartu are the two largest urban areas. The Estonian language is the official language and the first language of most of the population of 1.4 million.
Estonia ranks highly in international rankings for quality of life, education, press freedom, digitization of public services, prevalence of technology companies, and maintains a very high ranking in the Human Development Index.
Hi, here is the list of top 10 cleanest countries in the world 2021.
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