SANTIAGO, Chile -- Chile's once and future leader Michelle Bachelet easily won Sunday's presidential runoff, returning center-left parties to power by promising profound changes in response to years of street protests.
Bachelet won with 62 percent of the vote to 38 percent for the center-right's Evelyn Matthei, who promptly congratulated her rival. "I hope she does very well. No one who loves Chile can wish otherwise," Matthei said.
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But turnout was just 41 percent, a factor that worried Bachelet, who needs a strong mandate to overcome congressional opposition and make good on her promises.
"I hope people can come and participate and through their vote give a clear expression of the kind of Chile where they want to continue to live," Bachelet said after casting her ballot earlier Sunday. "The changes we need can't be produced through skepticism."
Bachelet, 62, ended her 2006-2010 presidency with 84 percent approval ratings despite failing to achieve any major changes.
This time, activists are vowing to hold her to promises to raise corporate taxes to help fund an education overhaul and even change the dictatorship-era constitution, a difficult goal given congressional opposition.
Many Chileans blame policies imposed by Gen. Augusto Pinochet's 1973-1990 dictatorship for keeping wealth and power in few hands. Pinochet effectively ended land reform by selling off the nation's water, and preserved the best educations for elites by ending the central control and funding of public schools.
Opinion polls had pointed to a bruising defeat for Matthei, a former finance minister, because of her past support for Pinochet and her ties to outgoing President Sebastian Pinera. The billionaire entrepreneur was Chile's first center-right president since democracy's return, and with just 34 percent support in the latest CEP poll, the most unpopular.
This was Chile's first presidential election after voter registration became automatic, increasing the electorate from 8 million to 13.5 million of the country's nearly 17 million people. But voting became optional with the change, and only 50 percent of voters turned out in the first round, frustrating both the major coalitions. In the runoff, only 5.5 million voted -- 41 percent turnout.
It also was Chile's first choice between two women, both with long careers in politics.
Bachelet, a pediatrician, and Matthei, an economist, share a dramatic history: Playmates while growing up on a military base, they found themselves on opposite sides of Chile's wide political divide after the 1973 military coup.
Matthei's father became a member of Pinochet's junta while Bachelet's father was tortured to death for refusing to support the strongman. Bachelet, a moderate socialist, was imprisoned herself and forced into exile.
The two women remained cordial over the years while they rose through the ranks of the right and left.
Matthei, 60, had campaigned with a call to continue business-friendly policies that she credited for Chile's fast growth and low unemployment under Pinera. She backed Pinochet in a 1988 referendum on continuing his rule and now opposes changing the Pinochet-era constitution. She's also against gay marriage, abortion and higher taxes.
Bachelet is seen as having more charisma and empathy, but her critics say she's made mistakes.
When a devastating earthquake struck in 2010 killing more than 500 people just 11 days before the end of her term, the national emergency office failed to issue a tsunami warning. Many coastal dwellers had figured they were safe, and failed to run to higher ground.
"I want change and I don't like Mrs. Bachelet. She did so many bad things when she was president," said Olga Espinoza, 62, a maid who voted for Matthei. "How many people died in the quake because of her? We're the same age, we have the same zodiac sign, but I don't like anything about her."
Chile is the world's top copper producer, and its fast-growing economy, low unemployment and stable democracy are the envy of Latin America. But many Chileans say more of the copper wealth should be used to fix the underfunded public education system.
"Abroad you often hear that this country has been growing and progressing more than others in Latin America, but it can't be just a matter of growth," Paola Bustamante, a 40-year-old sculptor, said after voting for Bachelet. "We need urgent educational reform, improvements to health, and I feel Bachelet can fulfill promises of deep changes this time around."