Decision-making power in an autocracy is in the control of
a single individual
all of the residents
all of the voting citizens
a small group of people
A single individual. For example, Tsar Nicholas the second was "Emperor and Autocrat of all the Russias".
Decision-making power in an autocracy is in the control of a single individual. The correct option among all the options that are given in the question is the first option. This kind of power has given rise to many dictators around the world. I hope that this answer has come to your help.