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1955 System

The 1955 system (Japanese: 55年体制, Hepburn: 55-nen Taisei), also known as the one-and-a-half party system, is a term used by scholars to describe the dominant-party system that has existed in Japan since 1955, in which the Liberal Democratic Party (LDP) has held by itself or in coalition with Komeito (from 1999 to 2025) a government nearly uninterrupted…

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Overview

Background

Establishment of the 1955 System

LDP dominance in the 1955 system

Brief fall of the system

Advanced semantic analysis

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Map overview Semantic statistics

1955 System

Nodes92
Edges91
Triples71
Avg. degree1.98
Density0.021739
Components1

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1955 System

Top relations

related to Outcome of the merger: 1955 System · 19
1955 System → After, Although, Article, As, At, Democratic Party, During, General Douglas MacArthur, Japan, JSP, LDP, Liberal Party, Minister Matsumoto Joji, SCAP, SCAP's, Security Treaty, Socialist Party, The, Unsatisfied
related to Challenge to the 1955 System: the 1960 Anpo protests · 17
1955 System → After Prime Minister Nobusuke, Anpo Protests, Because, Diet, Hayato Ikeda, However, In, JCP, JSP, Kishi, Kishi's, LDP, Nick Kapur, Security Treaty, System, Sōhyō, Zengakuren
related to Bureaucratization of policymaking · 16
1955 System → Diet, Diet-generated, Diets, Finally, For, From, In, Indicators, LDP, Lower House, Moreover, Occupation, Since, The, These, Upper House
related to Electoral system · 15
1955 System → Aside, Candidates, Diet, Due, Instead, LDP, LDP's, On, One, Politicians, Single Nontransferable Vote, SNTV, The, Under, Under SNTV

Important terminology Word statistics

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Important terminology

party japan ldp system socialist 1955 parties government opposition democratic coalition yoshida jsp japanese power general liberal treaty diet would

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
Eisaku Satoinstance ofInfluential politicians in the ruling party0.80text
Hayato Ikeda were suspected as bribe takersinstance ofInfluential politicians in the ruling party0.80text
visits to hot springs for their supporters.On the account of its self-assertivenessinstance ofCandidates would even organise activities0.80text
LDP unilaterally altered the rules for campaigninginstance ofCandidates would even organise activities0.80text
1955 Systemrelated to Bureaucratization of policymakingSince0.60section
1955 Systemrelated to Bureaucratization of policymakingIndicators0.60section
1955 Systemrelated to Bureaucratization of policymakingFor0.60section
1955 Systemrelated to Bureaucratization of policymakingIn0.60section
1955 Systemrelated to Bureaucratization of policymakingLower House0.60section
1955 Systemrelated to Bureaucratization of policymakingUpper House0.60section
1955 Systemrelated to Bureaucratization of policymakingMoreover0.60section
1955 Systemrelated to Bureaucratization of policymakingThe0.60section

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