Japan Self-Defense Forces (JSDF) #35733023

3

members (measured 31 Aug 2026, 21:35 UTC)

11 March 2025

created (per Roblox API)

10 August 2026

first measured by this register

Description

The Japan Self-Defense Forces is the military force of Japan. Established in 1954, the JSDF comprises the Japan Ground Self-Defense Force, the Japan Maritime Self-Defense Force, and the Japan Air Self-Defense Force. They are controlled by the Ministry of Defense with the Prime Minister as commander-in-chief.

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 We do not publish numbers we have not measured.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
19 Aug 2026, 10:09	3	first reading

Ownership

Owned by TamsonCat (@KazukoTamson) as measured.

Members we’ve seen

TamsonCat (@KazukoTamson) — Chief of Staff, Joint Staff (統合幕僚長) (rank 255)

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

Rank structure

Chief of Staff, Joint Staff (統合幕僚長)1

Operators0

OF-8 Major General （将補）0

OF-7 Colonel （1佐）0

OF-6 Lieutenant Colonel （2佐）0

OF-5 Major （3佐）0

OF-4 Captain （1尉）0

OF-3 First Lieutenant （2尉）0

OF-2 Second Lieutenant （3尉）0

OF-1 Warrant Officer （准尉）0

OR-8 Sergeant Major （曹長）0

OR-7 Master Sergeant （1曹）0

OR-5 Sergeant First Class （2曹）0

OR-4 Sergeant （3曹）0

OR-3 Corporal （士長）0

OR-2 Private First Class （1士）0

Member3

OR-1 Private （2士)2

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.

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V0YD Expeditions#5039397 · 1 shared members

Dunn Games#4035125 · 1 shared members

StyLiS Studios#1103278 · 1 shared members

The Nighthawk Imperium#1174414 · 1 shared members

44th class#551763520 · 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.