Hungary's parliament has approved a constitutional amendment that would bar anyone from becoming prime minister if they have already served at least eight years in that office. The opposition Tisza party proposed the change, and if it survives legal challenges, it would effectively prevent Viktor Orbán from running again. Orbán has been prime minister continuously since 2010, making him ineligible under the new rule.

The amendment works backward in time, not just forward. Rather than capping how many future terms someone can serve, it counts the total years someone has already spent as prime minister. This means it applies to current and former leaders alike. Orbán's decade-long tenure already exceeds the eight-year limit.

What made this vote possible is a shift in parliamentary power. For years, Orbán's Fidesz party held a supermajority—roughly two-thirds of all seats—which meant opposition proposals for constitutional change had almost no chance. That supermajority fractured in April 2025 elections. The opposition reorganized under Peter Magyar's leadership, and the new arithmetic in parliament finally gave their amendment a path forward.

There is an important distinction here: this is not a simple term limit. A conventional term limit caps the number of election cycles you can win. This amendment counts years of service, regardless of how those years were divided across different elections. The language is precise and clearly aimed at one person's tenure.

The amendment's survival now depends on Hungary's Constitutional Court. The court will likely face a challenge from Fidesz, and its ruling will determine whether the amendment stands or gets struck down. This is where the story becomes complicated. Hungary's Constitutional Court has been shaped by Fidesz appointments over the past fifteen years. The European Union has repeatedly raised concerns about whether the court operates independently or answers to the government. The EU has frozen billions in funding over these judicial independence issues. Whether courts seen as compromised can deliver a verdict that the international community believes is fair—rather than politically driven—remains an open question.

Hungary's situation is distinctive in European terms. Other EU countries have constitutional limits on how long leaders can serve—France has a two-term cap for presidents, for example—but most parliamentary democracies leave those decisions to elections rather than written constitutional rules. What makes Hungary's move notable is that it came from the opposition pushing back against a sitting government, not from a governing party rewriting the rules in its own favor. That inverts a pattern that drew heavy criticism when Fidesz used its supermajority to reshape Hungary's constitution over the past decade.

The sequence of events ahead matters significantly. If Fidesz immediately challenges the amendment in court, a ruling could come before the 2029 elections. If no challenge succeeds, the amendment becomes law and Orbán's political future is legally constrained. Fidesz could also try to pass a counter-amendment if it regains a supermajority in future elections, though that would require recovering power it lost in 2025.

For observers tracking Hungarian constitutional developments and EU governance standards, this amendment is a test case with wider implications. It speaks to whether Hungary's institutions can correct themselves through democratic competition when voters shift the balance of power. But a single parliamentary vote does not answer that question. What the courts do next will determine whether this amendment becomes a genuine constraint or a symbolic gesture.