[2] Chadema is the second-largest political party in Tanzania and campaigns on regional autonomous of self-governing states in the country.

In the general election of October 2015, Chadema joined with other political parties: CUF (Civil United Front), NLD (National League for Democracy), and NCCR-Mageuzi to form Umoja wa Katiba ya Wananchi (UKAWA) and the union was represented by one presidential candidate, Edward Lowassa.

[3] Chadema designated MP for Singida East Tundu Lissu as its presidential candidate for the 2020 Tanzanian general election.

[4] Lissu received 1,933,271 votes, and Chadema lost 53 seats in the National Assembly, its worst loss ever since the party was founded in 1992.

In September 2024 chairman Freeman Mbowe and his deputy Tundu Lissu were arrested by the Tanzania police, in an effort to block protests against the government.