The contest largely comes down to a choice between the ruling Democratic Party and the opposition Mongolian People's Party.
On both sides campaigns have been heavy on bromides about economic development but light on concrete proposals for tackling voter concerns, including improving the country's educational and health care systems.
In the lead up to the election, voters expressed their frustration with the country's poor governance and weakened economy, and many said they feared a repeat of 2008 riots that followed claims of election tampering.
Although a trained mining engineer, Jargal said he has been forced to work on building sites due to the government's failure to expand the resource sector.
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Slowing growth in China, by far Mongolia's biggest trade partner, have sent commodity prices collapsing, while political disagreements about who should own the country's resources -- and at what price -- have stymied project development.
Outside the capital, trucks with mobile ballot boxes crisscrossed the vast steppe delivering the polls to voters - often sick or elderly - unable to make the trek themselves, while herders and others streamed to gers - traditional Mongolian homes - set up by the government for country dwellers.
But although Mongolia has made enormous efforts to ensure participation in even the most isolated areas, enthusiasm for voting has waned in the 26 years since the young democracy threw off the yoke of Soviet influence.
"As the economic crises persist, there's considerable mistrust in the political system," Morris Rossabi, an expert on Mongolia at Columbia University, told AFP, adding that voters are "facing increasing disillusionment with political parties.