What is the meaning of this top-10 country list?

What is the meaning of this top-10 country list?

Here is a list of the top-10 countries in a specific category. Can you tell us what the category is?

1 Finland
2 Iceland
3 Denmark
4 Costa Rica
5 Sweden
6 Norway
7 Netherlands
8 Israel
9 Luxemburg
10 Switzerland

Please vote in the poll.

The correct answer will be given in a few days, Sunday.

Lowest cost of living
Highest tax rates
Longest life expectancy
Happiest people
Number of EVs per capita
Fewest number of illegal immigrants
Something else- please tell
Select gender and age to cast your vote:
Updates
3 mo
Hint: Native English speaking countries on the overall list are US (No. 23), UK (No. 29), Canada (No. 25), Australia (No. 15), and New Zealand (No. 11).
Updates
3 mo
Congratulations to most of you who got this correct. It's a list of the happiest countries.

For the 9th year in a row, Finland is the happiest, in the 2026 World Happiness Report. The report is released annually around the United Nations’ International Day of Happiness, and ranks more than 140 countries based on how people evaluate their own lives. Researchers also analyze factors like social support, healthy life expectancy, freedom, generosity and perceptions of corruption.
What is the meaning of this top-10 country list?
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