BIBLIOGRAPHY
Estate tax
U.S. Internal Revenue Service (IRS)

Claims Supported by This Source
- The U.S. estate tax basic exclusion amount is $13,990,000 for persons deceased in 2025, and $15,000,000 in 2026.
- Since 1 January 2011, if a spouse predeceases, the surviving spouse can elect to carry over the unused exclusion amount.
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