Politicians Top Forbes Billionaires List
PHOTO: New York City Mayor Michael Bloomberg speaks to the media outside the West Wing of the White House, Feb. 27, 2013, in Washington, DC.

Some say that there is a lot of money in politics. Well, according to the Forbes 2013 Billionaires List, there are many politicians who have a lot of money too.

Michael Bloomberg

The richest politician to grace the list this year is New York City Mayor Michael Bloomberg, who is ranked as the 7th richest person in the United States.

Bloomberg, 71, is sitting pretty with a net worth of over $27 billion, making himself the 13th richest person in the world and the richest politician in the world. Bloomberg, who has run New York City since 2002, has diversified his money in many different spheres of politics, media and philanthropy.

Ross Perot, Sr.

Another American politician who topped Forbes' Billionaire List is two-time presidential candidate Ross Perot. Perot was a presidential contender and is now the 126th richest person in the United States with a net worth of over $3.5 billion.

This year's list has 1,426 names with an aggregate net worth of $5.4 trillion. This figure has risen from last year's $4.6 trillion. The Forbes list boasts the U.S. leading with 442 billionaires, but the United States is not the only country with politicians worth a pretty penny.

Russia's Mikhail Prokhorov and Andrei Guriev

Billionaire and Russian politician Mikhail Prokhorov made the top 100 cut on Forbes' list ranking number 69 with a net worth of over $13 billion and ranking as the 10th richest person in Russia. The 47-year-old politician who ran against Russian President Vladimir Putin in the 2012 presidential election is also a sports enthusiast who owns the NBA team, the Brooklyn Nets.

Russia is home to another very wealthy politician -- Andrei Guriev, who has served as senator to Federation Council in Russia since 2001, is worth over $3.5 billion. The bulk of his wealth comes from his control over Fosagro, one of the world's four biggest phosphor fertilizer producers.

Georgia's Bidzina Ivanishvili

Georgia also has a very wealthy politician — so wealthy, in fact his net worth is equal to half of the country's GDP. Bidzina Ivanishvili successfully won his campaign in October 2012 and now serves as the richest man in the Eurasian country as well as its Prime Minister. He's ranked No. 229 in the world and has $5.2 billion.

Italy's Silvio Berlusconi

Silvio Berlusconi resigned from his position as the Italian prime minister after scandals and gaffes surrounding his time in office. But Berlusconi can have the last laugh as he is placed at #194 on the Forbes list with a net worth of $6.2 billion.

The 76-year old was sentenced to four years in jail for tax fraud and was accused of engaging in sexual relations with 17-year-old Moroccan girl during his term but scandal aside, Berlusconi remains the 7th wealthiest individual in Italy.

Political Donors

Aside from politicians there are hoards of political donors who have topped Forbes' Billionaire List. The top 10 wealthiest people alone include Warren Buffett and the Koch Brothers, who are all avid political supporters.

According to Motherjones, Koch Industries and its affiliates Georgia-Pacific and Flint Hills Resources have donated more than $2.2 million to candidates and parties during this the 2012 election cycle. Some 95 percent of its corporate donations in the past two years have gone to Republicans.

Warren Buffett on the other hand is generous Democratic supporter, having frequently contributed to President Barack Obama's campaign. Buffett was also the influence for a proposal to make sure that millionaires pay at least the same tax rate as those in lower brackets, a proposal that the president referred to as the "Buffett Rule."

The three donors who clinched the top 10 of Forbes are collectively worth over $121 billion.

More ABC News