Supporters attend a campaign conference for the Jordan's National Alliance for Reform in Amman.
Jordanians voted Tuesday in an election that could see opposition Islamists re-emerge as a major parliamentary force in the key Western ally.
The focus will be on turnout and the performance of the Islamic Action Front, the political arm of Jordan's Muslim Brotherhood.
Experts expect the party to clinch around 20 seats in the 130-seat parliament, which would make it the largest opposition force.
The vote comes as Jordan wrestles with the spillover of wars in neighbouring Syria and Iraq and the burden of hosting hundreds of thousands of refugees.
The kingdom is a member of the US-led coalition battling terrorists in both neighbouring countries and was the target of a June 21 suicide bombing claimed by the ISIS that killed seven border guards.
The interior ministry said 50,000 policemen have been mobilised to ensure security at polling stations.
The Phenix Center, a local pollster, has said 42 percent of eligible voters planned not to take part in the election, reflecting a general lack of enthusiasm for a parliament with limited powers to affect government policy.
In Jordan, King Abdullah II can appoint and sack military and intelligence chiefs, senior judges and members of parliament's upper house without government approval.
Early turnout was low at polling stations in the capital visited by AFP.
Even those who did show up said they were doing so only in the hope that this election would see change.
"I've been voting for decades and just hope it'll be different this time round." said Abdessalam Abu al-Haj, 75, after casting his vote in Telaa al-Ali, in the northeast of the capital.
Outside the polling station, one of the candidates had pitched a tent where he was serving coffee to voters as they came out.
Saja Asaf, a veiled 20-year-old who said she was voting for the first time, said she hoped to see "new faces" in the next parliament.
"I hope that the candidate that I voted for will work to secure a better future for young people and especially to find a solution to the unemployment problem.
"Most young people can't find work when they leave university," she said.