Why should you trust anything? "Do your own research."
From §See also:
* https://en.wikipedia.org/wiki/Democracy_indices
* https://en.wikipedia.org/wiki/Democracy-Dictatorship_Index
* https://en.wikipedia.org/wiki/Democracy_Ranking
* https://en.wikipedia.org/wiki/Gallagher_index
* Maybe: https://en.wikipedia.org/wiki/Corruption_Perceptions_Index