A type of majority in which the amount of people that are on one side is at least 50 percent, but less than either 60 percent of 67 percent, depending on how you define a supermajority. Primarily, a simple majority is used in the context of voting, but it could also be used in other context, such as the demographics of a nation.
It was a close call, but, with a simple majority of 53 percent, the new governor will replace the current governor.
The female population of Switzerland is the simple majority, as they are 50.5 percent of the population, as of 2016.