73.2%: Share of Alphabet's 2025 revenue from Google advertising ($294.7bn of $402.8bn)

How it's computed

adSharePct = Google advertising revenue ÷ total revenue × 100 = 294.691 ÷ 402.836 = 73.2%. Both facts read from the inline XBRL of Alphabet's FY2025 10-K.

Source

SEC EDGAR 10-K filings (inline XBRL) · link [2] [3] [4] [5]

As of

31 Dec 2025 · fetched 30 Oct 2026

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