There are three types of national elections in the Dominican Republic which are:
Senate: occurs every 4 years. The first election was held in 1924 and the last one was in 2022.
Chamber of Deputies: occurs every 4 years. The first election was held in 1924 and the last one was in 2022.
Presidential: occurs every 4 years. The first election was held in 1886 and the last one was in 2022.