A list of America's top 50 donors of 2020

These are the donors who gave the most in 2020, according to the Philanthropy 50, an annual ranking compiled by the Chronicle of Philanthropy. A searchable database with more information on the donors and their beneficiaries is available at philanthropy.com.

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1. Jeff Bezos

Amazon founder

$10.2 billion

Biggest gift: $10 billion to Bezos Earth Fund

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2. MacKenzie Scott

Author and ex-wife of Jeff Bezos

$5.7 billion

Biggest gift: Various

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3. Michael Bloomberg

Founder of Bloomberg financial news company

$1.6 billion

Biggest gift: Various

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4. Philip and Penelope Knight

Nike co-founder and wife

$1.4 billion

Biggest gift: $900.7 million to Knight Foundation

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5. Jack Dorsey

Co-founder and CEO of Twitter and Square

$1.1 billion

Biggest gift: Donor-advised funds

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6. John and Laura Arnold

Retired hedge-fund manager and wife

$567 million

Biggest gift: $482 million to Laura and John Arnold Foundation

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7. Eric and Wendy Schmidt

Former Google CEO and wife

$469.6 million

Biggest gift: $335.3 million to Eric and Wendy Schmidt Fund for Strategic Innovation

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8. Pierre and Pam Omidyar

Founder of eBay and wife

$441 million

Biggest gift: Various

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9. Frederick and June Kummer

Construction magnate (Frederick) and architect (June)

$300 million

Biggest gift: $300 million to Kummer Institute Foundation

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10. Denny Sanford

Banker

$224.2 million

Biggest gift: Various

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11. Stephen Ross

Real-estate developer

$179.5 million

Biggest gift: $100 million to U. of Michigan at Ann...