Looking at LDI as recently referenced by
@jburnmurdoch.ft.com. Note there's no measure of democratic culture or effectiveness of parties and that US scores perfectly on legislature and judiciary holding executive to account! Measuring political inclusion of *citizens* problematic if lots of denizens

Liberal Democracy Index
Data by V-Dem. Expert estimates of the extent of voting rights, the freedom and fairness of elections, freedoms of association and expression, civil liberties, and executive constraints. The index ran...