[1] During the two elections in 1916, it was split into two factions; Þversum and Langsum.

The Þversum faction finished second in the August Upper House elections, with the Langsum faction in fifth, whilst the positions were reversed in the October general elections.

[2] In the 1922 Upper House elections, the Independence Party finished fifth, with just 5% of the vote, but returned to join the Home Rule Party in a coalition government.

[2] For the general elections the following year it allied with former members of the dissolved Home Rule Party to establish the Citizens' Party.

The new party won the elections with 23 of the 42 seats, with the Independence Party winning a further two seats in the Upper House.