JPN | Self-Defense Forces #3359429

members (measured 27 Oct 2026, 14:51 UTC)

22 July 2017

created (per Roblox API)

10 August 2026

first measured by this register

Description

"Hakkō ichiu" The Japanese Self-Defense Forces (abbreviated as 'JSDF', or 'SDF') are responsible for the territorial sovereignty and border integrity of the Empire of Japan. The JSDF is often deployed on peacekeeping and humanitarian operations. Minister of Defense: Chief of the Joint Staff:

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 We do not publish numbers we have not measured.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
27 Oct 2026, 14:51	1	first reading

Ownership

Owned by @NihongoShuken 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

@NihongoShuken — NikongoShuken (rank 255)

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

Rank structure

NikongoShuken0

Emperor Kuruhito0

Defence Oversight0

[OF-8] Chief of the Joint Staff0

[OF-7] General0

[OF-6] Colonel0

[OF-5] Lieutenant Colone0

[OF-4] Major0

[OF-3] Captain0

[OF-2] First Lieutenant0

[OF-1] Second Lieutenant0

[OR-8] Warrant Officer0

[OR-7] Master Sergeant0

[OR-5] Sergeant First Class0

[OR-4] Sergeant0

[OR-3] Leading Private0

[OR-2] Private First Clas0

[OR-1] Private0

Member1

[OR-0] Initiation0

Guest0

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

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.