Each year, many US billionaires join social work by donating their own personal wealth to charity with billions of dollars
In fact, in 2018, many US millionaires donated wealth to the socials and the poor. The following are the five billionaires who donated the most money.

Jeff Bezos
Jeff Bezos The Billionaire of American
1. Jeff Bezos and MacKenzie Bezos: $ 2 billion

Jeff, the founder of Amazon.com Inc. (AMZN) and Jeff's ex-wife, MacKenzie Bezos, became the first in the list in 2018, dropping Bill Gates from the top spot for a donation.

He is the richest man in the world, He donates about 1.5% of his wealth to fund schools and the homeless through their Day One Fund.

2. Michael Bloomberg: $ 767 million

Michael Bloomberg, the former mayor of New York, and founder of the Bloomberg Financial Times devoted 7.3 percent of his personal wealth to contributions in arts, education, environment, and public health programs, and programs dedicated to promoting City Government Worldwide.

To date, Bloomberg has donated more than $ 6.4 billion to charity.

3. Pierre and Pam Omidyar: $ 392 million

Pierre, founder of EBAY Inc. Omidyar and his wife, Pam Omidyar, spend about 3.4% of their net profit for charity in 2018, many nonprofits organization, they create and run.

4. Schweiz: $ 390 million

Schwarzman, the co-founder, and CEO of Blackstone, a billionaire, has donated $ 350 million to colleges and $ 1 billion for ážšesearch on artificial insemination At the Massachusetts Institute of Technology.

5.Steve and Connie Ballmer: $ 295 million

Steve, a former Microsoft executive, and owner of Los Angeles Clippers Basketball and his wife, Connie Ballmer, donated 0.7% of their total wealth to their charitable foundation, Ballmer Group.