<P> Senate Party Division, 16th Congress (1819--1821) </P> <Ul> <Li> Majority Party: Democratic - Republican (30--37) </Li> <Li> Minority Party: Federalist (9) </Li> <Li> Vacant: 3--0 </Li> <Li> Total Seats: 42--46 </Li> </Ul> <Li> Majority Party: Democratic - Republican (30--37) </Li> <Li> Minority Party: Federalist (9) </Li>

Who held the most seats in the senate in 1818