Teradyne number of employees

Teradyne reported 6,600 employees at December 31, 2025 in its latest annual report, up 100 (1.5%) on the year before. That compares with 5,900 at December 31, 2021. Revenue per employee was $483,337.

Headcount by year

Fiscal year end	Employees	Change	Revenue per employee	Source
December 31, 2025	6,600	+100 (1.5%)	$483,337	10-K, filed February 19, 2026
December 31, 2024	6,500	+0 (0.0%)	$433,828	10-K, filed February 20, 2025
December 31, 2023	6,500	+0 (0.0%)	$411,738	10-K, filed February 22, 2024
December 31, 2022	6,500	+600 (10.2%)	$485,392	10-K, filed February 22, 2023
December 31, 2021	5,900	—	$627,607	10-K, filed February 23, 2022

What the annual reports say

As of December 31, 2025, we employed approximately 6,600 employees, of whom approximately 2,200 were employed in the United States. 2025 annual report
As of December 31, 2024, we employed approximately 6,500 employees, of whom approximately 2,200 were employed in the United States and approximately 4,300 were employed outside of the United States. 2024 annual report
As of December 31, 2023, we employed approximately 6,500 employees, of whom approximately 2,000 were employed in the United States and approximately 4,500 were employed outside of the United States. 2023 annual report
As of December 31, 2022, we employed approximately 6,500 employees, of whom approximately 2,000 were employed in the United States and approximately 4,500 were employed outside of the United States. 2022 annual report
As of December 31, 2021, we employed approximately 5,900 employees, of whom approximately 2,000 were employed in the United States and approximately 3,900 were employed outside of the United States. 2021 annual report

Headcount as the company states it in Item 1 of its annual report (some count full-time equivalents or exclude part-time and temporary staff), at the date it gives. Years where the report states no clear total are left out rather than estimated. Changes can reflect acquisitions and disposals as well as hiring and job cuts.

Compare with peers

Head to head: TER vs UCTT

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Figures from Teradyne's SEC filings (10-K and 10-Q), retrieved October 30, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Teradyne.