Here are some merits of democracy :
1)It is more accountable
2)The elected leaders need to perform better for their stability
3)Gives the people right to choose among the best
4)It enhances the dignity of a citizen

Demerits of democracy :
1)Leaders keep on changing leads to instability
2)It is all about political competition and power play
3)Elected leaders do not know the best interests of people
4)Democracy leads to corruption.

So which country would you prefer a democratic or non-democratic ?