ICJ Affirms Global Right to Strike, Leaves Limits to National Laws

3 min readSources: Courthouse News

The International Court of Justice confirmed the right to strike is protected by international law.

Why it matters: The ICJ decision reinforces global strike protections for workers and could shape labor policies in countries that have ratified key international conventions. Multinational employers must now reconsider compliance with strengthened international labor standards.

  • ICJ issued its advisory opinion on May 21, 2026, affirming strike rights under a 1948 convention.
  • 158 countries have ratified the convention; the United States is not among them.
  • ICJ opinions, though non-binding, influence global labor standards and trade agreements.
  • National governments retain authority to impose or define strike limitations.

The International Court of Justice (ICJ) issued an advisory opinion on May 21, 2026, clarifying that international law protects the right to strike for workers worldwide. The decision follows a request made by the International Labour Organization (ILO) in 2023, seeking clarity on whether the 1948 Freedom of Association and Protection of the Right to Organize Convention implicitly guarantees this right.

  • The ICJ opinion finds that the right to strike is "encompassed in the freedom of association," as stated by ICJ President Yuji Iwasawa. The ruling aligns with arguments made during October 2025 hearings, where 18 countries and five international organizations—most in favor—participated.
  • While the court affirmed the right, it emphasized that "its exercise may be subject to limitations depending on specific conditions and legal contexts," leaving regulatory details to each nation.
  • The 1948 convention underpinning the case has been ratified by 158 countries, creating a wide but not universal standard; the United States is a key non-party.
  • ICJ advisory opinions are not legally binding but carry significant moral and political influence, shaping global labor standards and international trade rules.
  • "As any trade unionist will tell you, there is no right to organize without the right to strike!" said Christy Hoffman, General Secretary of UNI Global Union.

This landmark opinion is expected to impact domestic labor policies, especially for multinational employers operating across jurisdictions. However, the specifics of strike regulation remain a matter for individual governments to define, reflecting the varied legal frameworks worldwide.

By the numbers:

  • 158 — countries that have ratified the 1948 convention
  • 18 — countries heard during ICJ hearings in October 2025
  • May 21, 2026 — date of the ICJ advisory opinion

Yes, but: Enforcement depends on national implementation, and the ICJ's opinion is not legally binding.

What's next: National governments are expected to review and potentially update labor regulations in response to the ICJ opinion.