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Brain_Hawk t1_jcyzth9 wrote

You did the math wrong. It's not single countries, it's pairs of countries.

So for example, the USA not talking to Cuba. That's one pair

Now over the 193 countries in the United Nations, that makes 18528 pairs, meaning a pair of countries not talking to each other.

So assuming we maintain your estimate of around 25% of countries not talking to each other, we would have something more like 4,632 unique pairs of countries that are no longer speaking.

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