In the 1999 municipal elections, the party obtained 193 votes and one seat in the municipal council.
2003 elections
In the 2003 municipal election, it contested the elections to the municipal council of Es Mercadal on a joint list with the Minorcan Party. The list got163 votes and the party won one seat in the municipal council. UPM was the most voted party in Fornells. As of 2003, it forms part of the opposition in the municipal council.