presidential elections, Odinga's Azimio la Umoja coalition won the most seats in the National Assembly, while Ruto's Kenya Kwanza alliance won the most seats in the Senate. Referendums Two nationwide referendums have been held in Kenya, both on proposed new constitutions. A 2005 referendum saw the proposed constitution rejected by 58% of voters, whilst a 2010 referendum saw a new constitution approved by 69% of voters. Electoral system The electoral system in Kenya. President The 2010 constitution provides for a two-round system for presidential elections, the president having previously been elected on a first-past-the-post basis. To win in the first round, a candidate is required to receive over 50% of the vote, as well as 25% of the vote in at least 24 counties. Parliament The National Assembly has 350 members, of which 290 are elected in single-member constituencies and 47 are reserved for women and are elected from single-member constituencies based on the 47 counties; all are elected by first-past-the-post voting. The remaining 13 seats include 12 nominated by political parties based on their number of seats and a Speaker. The Senate has 68 seats, of which 47 are elected from single-member constituencies based on the counties using first-past-the-post, and the remaining 21 are appointed; 16 women based on party's seat numbers, two representing disabled groups and two representing youth (both of which must consist of a male and female nominee) and one elected Speaker. References External links Elections in Kenya African Elections Database (of historical interest only; last updated in 2012) Kenya Psephos Politics of Kenya