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ImmigrationClock explains · Work visas

How the H-1B cap works

65,000 plus 20,000, a registration in spring, and an October 1 start.

The facts

  1. Congress set the regular H-1B cap at 65,000 per fiscal year, with an additional 20,000 for beneficiaries who hold a master's degree or higher from a U.S. institution.
  2. Employers register each beneficiary electronically during a registration period USCIS announces every year; in recent years it has opened in March. If registrations exceed the cap, USCIS runs a selection — weighted by the offered wage level from the fiscal year 2027 season — and invites the selected employers to file petitions.
  3. Cap-subject H-1B employment can begin no earlier than October 1, the first day of the federal fiscal year.
  4. Some employers are exempt from the cap, including institutions of higher education and certain nonprofit or government research organizations. Petitions to extend or amend existing H-1B employment are not counted against it.
  5. ImmigrationClock tracks the registration window and the October 1 start on its key dates page, and links USCIS's own cap-season page for the current year's instructions.

Why it matters

The cap is the reason "H-1B season" exists. A reader who knows which petitions are capped, and when the window opens, can tell a real deadline from a headline.

Sources

Every sentence above was written by a person from these sources and last checked against them on Sep 2, 2026.

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Methodology & sources
Explainers describe how the system works. They are not advice about any individual case, and they never tell anyone what to do. See all explainers for the rest of the set. Read the full methodology →