Armenians voted in favor of constitutional amendments during a referendum. The amendments included a limitation of the competences of the President, while at the same time extending the powers of the Prime Minister and the Parliament. Doing so, Armenia shifted from the present presidential system to a parliamentary system. According to the opposition, the constitutional reform has extended the rule of President Serzh Sargsyan, whose term in office ends in 2018. Due to the constitutional changes, he is able to continue to rule as Prime Minister. The reform was favored by 63% of the voters while 32% voted against. The turnout was 51%.