What follows is a chronological table that sets out the changes in the composition of the First Presidency of the Church of Jesus Christ of Latter-day Saints through time.

Assistant President of the Church was a position in the leadership hierarchy in the early days of the Latter Day Saint church founded by Joseph Smith. The Assistant President was the second-highest authority in the church and was a member of the church's governing First Presidency. As President of the Church, Smith appointed two men to serve in the position of Assistant President. After Smith's death, most Latter Day Saint denominations discontinued the position of Assistant President of the Church.