If we look at the history some countries got maximum development in Dictator ship while some got maximum development in democratic government. Every system has it's own flaws and benefits. What do you like ? if we talk about the welfare of general people.
Every country is different that's why you cannot simply decide that dictatorship or democracy is better. Some countries need democracy because of the leader that are not listening to their people and on the other hand some countries has citizens that wants to put total control of the country to their leader.