Country Similarity Index 3.0

The Country Similarity Index has yet again been revised to reflex feedback received on this project. This will be the final update to the index using data from 2020. The changes are not as significant as from 1.0 to 2.0. The third version is essentially the same as the second version, except that it has a slightly revised the formula for race, religion, lingua franca, TV broadcasting standards, and visa policy. It also fixes some minor errors in the data sets.


The articles on each country will also be expanded and changed to reflect 3.0.

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