3 ms·
In 2016, the count of >= 8 was 70. https://en.wikipedia.org/wiki/Polity_data_series https://en.wikipedia.org/wiki/Polity_data_series
by jpollock 9y ago
In 2016, the count of >= 8 was 70.
https://en.wikipedia.org/wiki/Polity_data_series https://en.wikipedia.org/wiki/Polity_data_series