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1.
Has the highest population
2.
Has the most countries
3.
Has the highest median age
4.
Has the highest average country size
5.
Has the most land area
6.
Has won the most Olympic medals
7.
Has the highest obesity rate per country
8.
Has the most endangered species
10.
Has the most Christians
11.
Produces the most wine
12.
Has the most farmland
14.
Has the most rainforest
15.
Has the most countries completely surrounded by water
17.
Has the most countries in the northern hemisphere
18.
Has the most countries in the western hemisphere
19.
Has the highest murder rate
The only way you can get Europe to come out on top is to count all Russian forest, most of which is in Asia, as European.