He is a dictator.
He is not a dictator.
Given he has been in power for over 15 years and killed his opposition recently it would seem so.
He is absolutely a dictator in the practical sense, although he is not a dictator according to Russia's official political system. Many "dictators" in history have ruled countries with political systems that officially have a elected leader, however but reality the elections are totally rigged. Sadam Hussein, Fidel Castro, and many other dictators in the history and many current rulers were "elected" in totally rigged and phoney so-called "free" elections. I am pretty sure that Sudam Hussein won many consecutive free presidential elections over the decades that he was in power. Most dictators maintain the farce of holding so-called "free" elections, only to be re-elected over and over by 90 plus percent of the vote due to totally rigged fake elections that are far from free elections. Russia's elections since Putin seized power have been no different. Russia's so-called democracy with free elections is a total farce. Putin has been in total control of Russian since his first term. Officially Russia has a two consecutive term limit on the president, so after two terms as president of Russia, Putin stepped down to the role of Prime Minister which is a role that is appointed by the president. In reality, this was all for show. Putin stepped down to Prime Minister but maintained control over Russia. He has had complete control over Russia during his first two terms as president, during his term as prime minister, and now again during his 3rd term as president once again. Now he is claiming that he won't run for a fourth term as president. If he keeps that promise, it will also be a total farce. He will step down and he will hand pick the new president, although Russia will put on the show of holding free elections to select the next President. Then Putin will rule Russia from whatever role he assumes after he leaves office as the president. Even if he says that he is leaving government altogether, he will still be ruling Russia from behind the scenes thru a puppet President. It will all be widow dressing in order to make Russia's totalitarian dictatorship appear to be a democracy. Russia has a long history of having puppet leaders that are controlled from the shadows by the true ruler who has all of the power and control and rules Russia from the shadows. Putin has reverted Russia into a totalitarian dictatorship. Russia's so-called "free market economy" and "democracy" with free elections, freedom of speech, and freedom of the press are now all just for show. Russia is moving towards being a totalitarian fascist state and many ways they are already there although they are attempting keep the allusion of being a free market democracy.
Dictators aren't always bad.
Dictators don't rule with over 60% of the residents voting for him.
Putin was democratically elected, his approval rating is pretty high among Russians and he doesn't have absolute power.
Putin is a popularly elected President. He doesn't have absolute power. He works within the confines of the Constitution of the Russian Federation and has powers limited by said Constitution. Therefore, he is not a dictator.