| Japan Self-Defence Forces | #5142085

members (measured 3 Oct 2026, 08:13 UTC)

31 August 2019

created (per Roblox API)

10 August 2026

first measured by this register

Description

wip

Written by the group; not a statement 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 We do not publish numbers we have not measured.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
3 Oct 2026, 08:13	1	first reading

Ownership

Owned by @EmperorRoyaI as measured.

Groups seen changing owner — the largest ever handed over and the most recent — are on the ownership transfers board.

Members we’ve seen

@EmperorRoyaI — Emperor (rank 255)

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

Rank structure

Emperor 0

[CiC] Commander in Chief 0

[CSA] Chief of Staff of the Army0

[VCSA] Vice Chief of Staff of the Army0

[OF-9] Lieutenant General | [OF-10] General0

[OF-7] Brigade General | [OF-7] Major General 0

[OF-5] Lieutenant Colonel | [OF-6] Colonel 0

[OF-3] Major | [OF-4] Lieutenant Colonel0

[OF-1] Second Lieutenant | [OF-2] First Lieutenant0

[OR-9] Warrant Officer0

[OR-8] Sergeant Major0

[OR-7] Master Sergeant0

[OR-6] Sergeant First Class0

[OR-5] Sergeant 0

[OR-4] Corporal0

[OR-3] Leading Private0

[OR-2] Private First Class0

[OR-1] Private0

[OR-D] Self-Defense Official Cadet 0

Member1

Guest0

Roles and per-rank member counts as Roblox reports them (rank 0 = guest … 255 = owner).

Related groups

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

ᴛʜᴇ sᴇᴠᴇɴ ᴋɪɴɢᴅᴏᴍs#4854112 · 1 shared members

| The Royals#7640588 · 1 shared members

Greek Military State#2766514 · 1 shared members

Greek City-State of Naukratis#4384436 · 1 shared members

Greek City-State Of Thebes.#4571828 · 1 shared members

The Seleucid Empire ‌#3254439 · 1 shared members

SESRFD#4049130 · 1 shared members

S.H.I.E.L.D. α#3590339 · 1 shared members

State of Eprius#2712935 · 1 shared members

[DU] Dictatorial Umbara#4867754 · 1 shared members

Corinth.#5303879 · 1 shared members

Sons of Apollo.#4919805 · 1 shared members

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.