JA Shinnoren (Prefectural Credit Federations of Agricultural Cooperatives)

Wiki route

This entry sits under cooperative-banks INDEX as the prefectural credit-federation layer of the JA Bank system, sitting between local JA (497 cooperatives) and the national central institution Norinchukin. Read with JF Shingyoren (Credit Federations of Fishery Cooperatives / Prefectural Credit Federations of Fishery Cooperatives) for the fishery-side equivalent and cooperative banking domain for the wider context.

TL;DR

The prefectural intermediate layer of the JA Bank system = the Prefectural Credit Federations of Agricultural Cooperatives (Shinnoren). Prefectural-unit credit-business federations grounded in the Agricultural Cooperatives Act. Per JA Bank system official materials (as of 2025-04-01), 31 prefectural Shinnoren are operating (some prefectures have shifted to a JA → Norinchukin direct-link method that bypasses the Shinnoren). Their roles are (1) aggregating surplus funds (deposits) from JA within the region, (2) depositing surplus funds with the central institution (Norinchukin) + self-directed management, (3) supplying loans / liquidity to JA within the region, and (4) providing management guidance / systems to JA within the region. This resembles the two-tier structure of credit unions → Shinkin Central and credit cooperatives → National Federation of Credit Cooperatives (Zenshinkumiren), but in the JA Bank case it is a three-tier structure of “497 JA → 31 Shinnoren → Norinchukin” (with some “JA → Norinchukin direct link” as well).

1. Organizational structure

Item	Content
Common name	JA Shinnoren / Shinnoren / prefectural Shinnoren
English name	Prefectural Credit Federation of Agricultural Cooperatives (Shinnoren)
Legal form	Prefectural federation under the Agricultural Cooperatives Act (credit-business federation)
Established	From 1948 onward, established separately by prefecture
Number of Shinnoren	31 Shinnoren (as of 2025-04-01)
Supervisory authorities	FSA (credit business) + Ministry of Agriculture, Forestry and Fisheries (cooperative supervision)

The three-tier structure of the JA Bank system

JA Bank system (3 -layer structure)
  Layer 1: nationwide 497 JA (individual agricultural cooperatives)
                ↓ surplus-fund deposit
  Layer 2: 31 Shinnoren (prefectural intermediate layer) ★this page
                ↓ surplus-fund deposit
  Layer 3: 1 Norinchukin Bank (central) → [[cooperative-banks/norinchukin]]
                ↓ institutional investment / system return

Trend in the number of Shinnoren

Era	Number of Shinnoren	Notes
Late 1990 年s	47 Shinnoren (one per prefecture)	Peak
2000s–2010 年s	Gradual decline (mergers / consolidations)	In parallel with JA Bank system integration
2025-04-01	31 Shinnoren	[[cooperative-banks/norinchukin

Key chronology

Year	Event
1947	Agricultural Cooperatives Act enacted, establishing the legal basis for Shinnoren
1948〜	Shinnoren established separately by prefecture
1990 年s	Management challenges for Shinnoren from the bubble collapse / bad debts
2002〜	**[[banking/ja-bank-system-japan
2010 年s〜	Mergers / consolidations of Shinnoren proceed — gradually rationalized according to prefecture-specific circumstances
2025-04	A system of 31 Shinnoren + 497 JA + 1 Norinchukin

The 4 major functions

Function	Content
Surplus-fund aggregation	Aggregating surplus funds (the excess of members’ deposits) from JA within the region
Deposit with the center	Remitting aggregated surplus funds to [[cooperative-banks/norinchukin
Self-directed management	A portion is institutionally invested by the Shinnoren itself (JGBs, municipal bonds, etc.)
Support for JA within the region	Management guidance, liquidity supply, system shared-use

Sense of Shinnoren scale

Large Shinnoren (Hokkaido, Aichi, Fukuoka, etc.) are on the multi-trillion-yen total-asset class — e.g., Aichi Prefectural Shinnoren deposit balance approx. 7.99 兆円 (2022-03), Hokkaido Shinnoren total assets approx. 3.80 兆円 (2021-03), Fukuoka Prefectural Shinnoren deposits over 2 兆円
Small Shinnoren (San’in, parts of Shikoku, etc.) are on the several-hundred-billion to 1 兆円 class — e.g., Kochi Prefectural Shinnoren deposit balance approx. 8,711 億円 (2022-03)

Positioning within the JA Bank system

Raison d’être as an intermediate layer: prefectural-unit management guidance / liquidity supply handles the parts that Norinchukin’s central functions cannot address in fine detail

Integration / reorganization trends

Transfer of business to Norinchukin / shift to direct-link method for Shinnoren in management difficulty
Pressure for Shinnoren scale reduction / efficiency accompanying the shrinkage in the number of JA within the region

Competing / contrasting organizations

Shinkin Central: the center of the credit-union industry (the 2 -tier of shinkin → Shinkin Central Bank) — a different structure from the 3 -tier of Shinnoren + Norinchukin
National Federation of Credit Cooperatives (Zenshinkumiren): the center of the credit-cooperative industry (the 2 -tier of shinkumi → Zenshinkumiren)
Rokin Renraku: the center of the labour-bank industry (the 2 -tier of rokin → Rokin Federation)
JF Shingyoren (Credit Federations of Fishery Cooperatives / Prefectural Credit Federations of Fishery Cooperatives): the corresponding national institution of the fishery-cooperative system (the 3 -tier of JF → Shingyoren → Norinchukin)

System shared-use

Shared ATM network (mutual use of JA cards)

4. Supervision / regulation

Supervisor: FSA (soundness of credit business) + Ministry of Agriculture, Forestry and Fisheries (cooperative supervision)
Legal basis: Agricultural Cooperatives Act (credit-business-federation provisions)
Recent policy points:
- Further consolidation of Shinnoren / shift to direct-link method
- System integration of JA Bank as a whole (JASTEM sophistication)
- The impact of 2024〜 Norinchukin US-Treasury unrealized losses on Shinnoren dividends
- Redefinition of Shinnoren functions under the food-security plan (2026〜)

norinchukin — the central institution of the JA Bank system (above the Shinnoren)
ja-zenchu — JA Group representative function
ja-zen-noh — JA Group economic business
ja-kyosairen — JA Group mutual-aid (kyosai) business
jf-shingyoren — the corresponding national institution of the fishery-cooperative system (peer prefectural federation)
shinkin-central — the central institution of the credit-union industry (comparison)
zenshin-kumi — the central institution of the credit-cooperative industry (comparison)
rokin-renraku — the central institution of the labour-bank industry (comparison)
ja-bank-system-japan — JA Bank system boundary
cooperative-banking-japan — cooperative finance as a whole
cooperative-banks INDEX

Sources

JA Bank system official: https://www.jabank.org/about/sikumi/
JA Bank system structure diagram: https://www.jabank.org/about/sikumi/banksystem/
Norinchukin Bank features (layered staff numbers as of 2025-04-01): https://www.nochubank.or.jp/about/features.html
JA Group Factbook 2026: https://org.ja-group.jp/pdf/jafactbook/jafactbook_2026.pdf
Agricultural Cooperatives Act (昭和 22 年 Act 第 132 号)
Sense of Shinnoren scale (examples of large Shinnoren) — Aichi Prefectural Shinnoren deposit balance approx. 7.99 兆円 (2022-03): https://ja.wikipedia.org/wiki/愛知県信用農業協同組合連合会 / Hokkaido Shinnoren total assets approx. 3.80 兆円 (2021-03): https://ja.wikipedia.org/wiki/北海道信用農業協同組合連合会
Sense of Shinnoren scale (example of a small Shinnoren) — Kochi Prefectural Shinnoren deposit balance approx. 8,711 億円 (2022-03): https://ja.wikipedia.org/wiki/高知県信用農業協同組合連合会

[!info] Verification status