UK | the United Kingdoms of Britannia #9147594

members (measured 30 Aug 2026, 18:54 UTC)

13 January 2021

created (per Roblox API)

10 August 2026

first measured by this register

Membership history

Growth

Growth history is still building. We hold one measurement for this entry. A trend needs at least two, taken days apart — so this will fill in on its own rather than being estimated. We do not publish numbers we have not measured.

Measurement log — every members count we have recorded
Measured (UTC)	Members	Change
30 Aug 2026, 18:54	1	first reading

Ownership

Owned by @JamesAckerman as measured.

Members we’ve seen

@JamesAckerman — His Majesty the King (rank 255)

A sample — only members this register has independently measured, highest rank first. Not the full roster.

Related groups

Groups whose measured members overlap with this one — a sample from our membership graph.

[USA]The United States of America.#758071 · 1 shared members

245,591

Liberty Cruiselines#13735303 · 1 shared members

196,072

World Conquеst#12670687 · 1 shared members

87,391

[UK] United Kingdom#541807 · 1 shared members

83,853

The Great Navy of Britannia#745120 · 1 shared members

8,466

City of Gotham.#984029 · 1 shared members

5,936

| The Caribbean Sea |#4995115 · 1 shared members

1,587

[The Empire of Grandelumiere]#940420 · 1 shared members

1,367

| The Caribbean Sea#5686021 · 1 shared members

816

[USA] | United States of America |#3631864 · 1 shared members

404

United Nαtiοns#9709525 · 1 shared members

358

UK | United Kіngdоm#15045152 · 1 shared members

319

Open data

Download this group’s measured record — free to reuse with attribution: membership history (CSV) · full record (JSON)

Each file carries its licence and retrieval time inside it, and is generated from the same measurements shown above.