Skip to content

United States vessels

Voydar tracks 39,722 vessels sailing under the United States flag. The fleet's average age is 35 years. Combined gross tonnage on record is 11,648,703. Port State Control records show 9,815 inspections of United States-flagged vessels, with 0 detentions — a 0.0% detention rate.

What is a flag of convenience?
39,722
Fleet tracked
35 yrs
Avg fleet age
0.0%
Detention rate
0 of 9,815 inspections
0
Sanctioned
on OFAC / UK / Canada lists

Sources: live AIS, USCG PSIX inspections (public domain), OFAC SDN list, UK Sanctions List (OGL v3), Canadian autonomous sanctions list (OGL – Canada). Free on Voydar.

United States flag: fleet in world statistics

UNCTAD's count of the merchant fleet registered under the United States flag (ships of 100 GT and above), and who beneficially owns it. Published statistics, not Voydar's own tracking.

3,438
Ships registered (2026)
13.4 million dwt
Deadweight tonnage
0.53% of world dwt
Share of world fleet
35.1 years
Average age

United States: trade and connectivity

503.9 (rank 5; 100 = the average country in Q1 2023)
Liner shipping connectivity, 2 2026
59.71 million TEU
Container port traffic, 2024
3.8 out of 5
Logistics Performance Index, 2022

Sources: UN Trade and Development (UNCTAD) Data Hub (merchant fleet, beneficial ownership, liner connectivity; CC BY 3.0 IGO); World Bank, World Development Indicators (CC BY 4.0) (container port traffic, Logistics Performance Index). Retrieved Sep 24, 2026.

Fleet composition

Recently active United States vessels

Use this data

This page is also available as JSON, free, with the source and licence of every section. Sections whose sources do not permit redistribution are listed as withheld.

GET /api/v1/flags/us
View JSONAPI documentationFree without a key for occasional use; use an API key for more.

Using this data in code?

Every account gets a personal API allowance: 2,500 credits a month free, 25,000 with Pro. Pro adds internal business use; API plans add building the data into your own products.

See plans