The Democratic Party (Ardchilsan Nam) is the second political party in Mongolia. At the last legislative elections, 27 June and 17 July 2004, the party was a constituent part of the Motherland Democracy alliance (Ech Oron-Ardchilan) that won 44.7 % of the popular vote and 34 out of 76 seats. Its leader Tsakhiagiyn Elbegdorj became the prime minister. In the presidential elections of 20 may 2005, its candidate Mendsayhany Enkhsaikhan won only 19.7 %.

On April 1, 2006, Democratic Party members who participated in the party convention elected Tsakhiagiyn Elbegdorj as a leader/chairman of Democratic Party. Four candidates ran for the elections and in the first round, Tsakhiagiyn Elbegdorj won 46%, Erdeniin Bat-Uul won 40% and two other candidates won the rest. Since none of the four candidates won more than 50%, there was the second round of the elections according to the party rule, and the highest scored candidates who are coincidentally two of the thirteen Mongolian democracy fathers Tsakhiagiyn Elbegdorj and Erdeniin Bat-Uul ran and Tsakhiagiyn Elbegdorj won with 57.2% vote according to Mongolia Web.