The Union Jack is one of the most recognized flags in the world, and it appears as a key element in several national and regional flags. Understanding how many flags feature the Union Jack helps clarify its influence on flag design and British imperial history.
This guide breaks down the presence of the Union Jack across current sovereign states, historical territories, and subnational regions, supported by a detailed comparison table and practical examples.
Global Flags Using the Union Jack Today
Current Sovereign State Flags
Only three United Nations member states currently include the Union Jack in their national flags. Each design reflects shared history or constitutional ties to the United Kingdom.
| Country | Flag | Union Jack Presence | Notes |
|---|---|---|---|
| United Kingdom | 🇬🇧 | Full Union Jack | The original and source design |
| New Zealand | 🇳🇿 | Blue Ensign with Union Jack canton | Retained in 2016 referendums |
| Australia | 🇦🇺 | Blue Ensign with Union Jack canton | Seven-point Commonwealth Star plus five smaller stars |
Historical Territories with the Union Jack
Former Dominions and Colonies
Many former British dominions and colonies once used versions of the Blue or Red Ensign with the Union Jack. Over time, most redesigned their flags to emphasize national identity.
Examples include Canada, which shifted to a distinctive maple leaf design in 1965, and South Africa, which replaced its Union Jack–based flag after apartheid. These changes mark transitions from colonial symbolism to independent national emblems.
Subnational Flags Featuring the Union Jack
Regions Within Commonwealth Countries
Within Australia and New Zealand, several regional and state flags incorporate the Union Jack in their canton, maintaining a visual link to the shared maritime heritage.
Certain Canadian provinces historically used Blue Ensigns with the Union Jack, and some British Overseas Territories retain the Union Jack in their official flags to this day.
Flags by Design Type
Blue Ensigns and Blue with Union Jack
The Blue Ensign pattern is the most common way the Union Jack appears outside the United Kingdom. These flags reserve the Union Jack for official use while civilians and yachts used the defaced Blue Ensign with permission.
Key examples include Australia, New Zealand, and several British Overseas Territories, where the Union Jack signals constitutional relationship without being the primary field design.
Key Takeaways on the Union Jack in Flags
- Only three UN member state flags currently include the Union Jack as a national flag element.
- The Blue Ensign with Union Jack canton is a common design used by Australia and New Zealand.
- Many former British colonies have redesigned their flags to emphasize independent national identity.
- Subnational and regional flags still use the Union Jack to reflect historical and constitutional links.
- The Union Jack’s presence in flag design reflects shared heritage rather than current political control.
FAQ
Reader questions
How many national flags currently include the Union Jack?
Three United Nations member states have national flags featuring the Union Jack: the United Kingdom, New Zealand, and Australia.
Which countries use a Blue Ensign with the Union Jack canton?
New Zealand and Australia both use Blue Ensigns with the Union Jack in the canton, accompanied by distinct national symbols in the fly.
Did any non-sovereign territories recently change flags with the Union Jack?
Some British Overseas Territories retain the Union Jack, while certain regions have discussed redesigns to move away from colonial imagery.
Why do some countries keep the Union Jack while others remove it?
Countries retain the Union Jack to signal historical ties and diplomatic relationships, while removals often reflect national identity development and post-colonial symbolism.