Tunisia's first free municipal elections got under way Sunday as voters expressed frustration at the slow pace of change since the 2011 revolution in the cradle of the Arab Spring.The election has been touted as another milestone on the road to democracy in the North African country, which has been praised for its transition from decades of dictatorship.But Tunisia has struggled with persistent political, security and economic problems as well as corruption since the revolution, and observers expected a low turnout for Sunday's poll.Around 15 people trickled into a polling station in central Tunis to cast their ballots after voting officially began at 08:00.Ridha Kouki, 58, acknowledged that voting is "a right and a duty" but said Tunisians "have little hope" of any change.Chokri Halaoui, 45, said he wanted to send a "message to politicians to tell them 'we have voted now show us what you can do'."* Sign up to News24's top Africa news in your inbox: SUBSCRIBE TO THE HELLO AFRICA NEWSLETTERFOLLOW News24 Africa on Twitter and FacebookTunisians have already voted in parliamentary and presidential elections since the 2011 fall of dictator Zine El Abidine Ben Ali, but municipal polls had been delayed four times due to logistic, administrative and political deadlocks.President Beji Caid Essebsi has called for a "massive turnout"."For the first time (since the revolution) the Tunisian people are called to participate in municipal elections, something that seems simple but it is very important," he said on Friday.'Cart without wheels'Tunisia is grappling with economic challenges including an inflation rate which stands at around eight percent and an unemployment rate of more than 15 percent.The country was hit by a wave of protest at the start of the year over a new austerity budget introduced by the government."These municipal elections won't change anything for us. We will always be on the same cart without wheels or a horse," 34-year-old housewife Hilma told AFP ahead of the vote.More than 57 000 candidates, half of them women and young people, are running for office in Tunisia's 350 municipalities. Around 60 000 police and military personnel have been mobilised for the polls, while Tunisia remains under a state of emergency, imposed in 2015 after a string of deadly jihadist attacks. Across the country voting will run until 18:00 in more than 11 000 polling stations.New constitution But in Kasserine in central Tunisia, a hot bed of protests during the revolt that toppled Ben Ali, polling stations will open later and close earlier for "security reasons", organisers said.The municipal elections, enshrined in the new constitution and one of the demands of the revolution, mark the first tangible step of decentralisation since the end of Ben Ali's rule.Voters will elect municipal counsellors who in turn will elect mayors by mid-June.Experts predict Tunisia's two political heavyweights - the Islamist Ennahda movement and the secular Nidaa Tounes party - will come out on top in nearly every district.But there remains some hopes that the polls, the first in four years, will see a new generation elected into office.The municipal polls will be followed by legislative and presidential votes in 2019.