It was originally created as a front organisation in case the CNDD–FDD, which had been formed as a rebel armed group during the Burundian Civil War, was refused official recognition as a political party.
[5] Despite playing an important role in the rise of Pierre Nkurunziza to the Presidency, Radjabu was expelled from the CNDD–FDD in 2007 and imprisoned for plotting to overthrow the government.
[4] During the political unrest in Burundi in 2015, the UPD's incumbent leader, Zedi Feruzi, was assassinated in Bujumbura.
His killing on 23 May 2015, during protests against the Nkurunziza regime, caused a deepening of the confrontation as the opposition suspended its participation in talks with the government.
[6] The UPD stood in the elections for the National Assembly in May 2020 but gained just 0.05% of the vote and won no seats.