What Is 1945-46 United Auto Workers strike

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Last updated: April 14, 2026

Quick Answer: The 1945–1946 United Auto Workers (UAW) strike was a massive labor action involving over 200,000 workers across General Motors plants, lasting 113 days from November 1945 to March 1946. It was one of the largest strikes in U.S. history and led to significant wage increases and postwar labor policy changes.

Key Facts

Overview

The 1945–1946 United Auto Workers (UAW) strike was a pivotal moment in American labor history, marking one of the largest industrial work stoppages in the nation’s postwar era. Initiated by the UAW against General Motors, the strike aimed to secure fair wages after years of wage freezes during World War II and rising postwar inflation.

With over 200,000 workers walking off the job, the strike disrupted auto production across the U.S. and highlighted the growing power of organized labor. It also set a precedent for future collective bargaining and influenced national labor policy during a critical transition from wartime to peacetime economy.

Key Demands and Negotiations

The central issue in the 1945–1946 UAW strike was compensation, but broader concerns about job security, cost-of-living adjustments, and union recognition also played critical roles. Negotiations were tense and closely watched by labor leaders, management, and policymakers nationwide.

Comparison at a Glance

Below is a comparison of the UAW’s demands versus General Motors’ final offer:

Demand / OfferUAW RequestGM Final Offer
Wage Increase30%18.5% (19.5¢/hour)
Cost-of-Living AdjustmentsAutomatic COLA clauseOne-time adjustment only
Workweek30-hour week proposedNo change (40 hours)
Union RecognitionFormalized protectionsExpanded access, no binding terms
Job SecuritySeniority-based layoffsGM retained final control

The compromise reached in March 1946 included a significant wage increase but fell short on automatic COLA and job security. Still, it was seen as a partial victory for labor, setting a benchmark for other auto and steel industry negotiations in the same period. The outcome influenced the 1946 steel strike and broader postwar labor trends.

Why It Matters

The 1945–1946 UAW strike reshaped labor relations in mid-20th century America, demonstrating the strength of organized labor and prompting legislative and corporate responses. Its effects extended beyond auto manufacturing, influencing national debates on wages, inflation, and workers’ rights.

Ultimately, the 1945–1946 UAW strike was not just about wages—it was a defining moment in the struggle for economic justice in postwar America, setting the stage for decades of labor activism and negotiation.

Sources

  1. WikipediaCC-BY-SA-4.0

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