The 50 Biggest Givers

1. Bill & Melinda Gates

Net worth: $74 billion
Total giving 2012: $1.9 billion (2.6% of net worth)
Lifetime giving: $28 billion

2. Warren Buffett

Net worth: $58.7 billion?
Total giving 2012: $1.87 billion (3.2% of net worth)
Lifetime giving: $25 billion

3. George Soros

Net worth: $20 billion
Total giving 2012: $763 million (3.2% of net worth)
Lifetime giving: $10 billion

4. Mark Zuckerberg

Net worth: $23.4 billion
Total giving 2012: $519 million (2.2% of net worth)
Lifetime giving: $549 million 

5. Walton Family

Net worth: $144.4 billion
Total giving 2012: $432 million (0.3% of net worth)
Lifetime giving: $4.6 billion

6. Eli & Edythe Broad

Net worth: $6.9 billion
Total giving 2012: $376 million ($5.5% of net worth)
Lifetime giving: $3.5 billion

7. Michael Bloomberg

Net worth: $31 billion
Total giving 2012: $370 million (1.2% of net worth)
Lifetime giving: $2.4 billion

8. Paul Allen

Net worth: $15.9 billion
Total giving 2012: $327.7 million (2.1% of net worth)
Lifetime giving: $2 billion 

9. Chuck Feeney

Net worth: $2 million
Total giving 2012: $313 million (15,650% of net worth)
Lifetime giving: $6.3 billion

10. Gordon & Betty Moore

Net worth: $4.9 billion
Total giving 2012: $250.5 million (5.1% of net worth)
Lifetime giving: $2.3 billion

Read the Full List At :
The 50 Biggest Givers