Colombia will hold elections to both houses of the Congress on 14 March 2010. The nationwide constituency for the 102-member Senate is being contested by 16 lists, comprising 948 candidates. There are 33 regional constituencies for the Chamber of Representatives, plus a few other ethnic minority constituencies. In all, 282 lists, with 1533 candidates, are contesting the 166 seats in the Chamber. Some 29 530 415 people are registered to vote.

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The Colombian presidential elections of 2010 will be held on May 30. A referendum proposal that would have allowed incumbent President Alvaro Uribe the opportunity to run for a third term, was rejected by the Constitutional Court of Colombia in a 7-2 ruling on February 26, 2010.