A major political clash over the Dutch state pension system escalated Tuesday as a Senate majority moved toward blocking a government plan to accelerate increases in the retirement age, while lawmakers separately confronted Prime Minister Rob Jetten over the measure and its impact on a 2019 pension agreement.

In the Senate, parties from across the political spectrum are preparing to remove the cabinet’s proposal. GroenLinks-PvdA, which will soon be renamed PRO, will submit a motion on Wednesday that is, according to NOS, expected to secure a broad majority. A vote is scheduled for Wednesday evening after debate on the government’s policy statement.

Senate opposition argues the plan undermines a long-standing pension agreement between the government, employers, and labor unions. Under that 2019 deal, the retirement age rises in line with life expectancy, increasing by eight months for each additional year of life expectancy growth starting in 2028. The current government wants to tighten the formula so that, beginning in 2033, the retirement age increases one-for-one with gains in life expectancy.

GroenLinks-PvdA Senate leader Paul Rosenmöller said the cabinet proposal breaks that agreement and should be withdrawn. He also said the Senate majority wants to apply additional pressure on the government to reverse course, arguing that the measure is being reconsidered but still requires a decisive push to be dropped.

Rosenmöller said pension affordability concerns are largely addressed within the existing agreement and that the current dispute is not about the existence of a problem but about the method chosen to address it.

Parties supporting the motion include GroenLinks-PvdA, PVV, BBB, SP, ChristenUnie, VOLT, the Party for the Animals, and 50Plus, together forming a Senate majority.

PVV Senate leader Alexander van Hattem said the proposed increase should be removed completely and as quickly as possible, calling for unconditional withdrawal of the measure.

BBB leader Ilona Lagas also opposes the plan, describing it as socially unfair because it would require people to work longer. She stressed that it concerns an existing pension agreement and that agreements must be honored.

In a separate debate on the government’s policy statement in The Hague, D66 senator Paul van Meenen said the cabinet’s acceleration plan should be abandoned if necessary, while emphasizing that pension sustainability must still be addressed. He argued that aging remains a structural challenge.

Rosenmöller responded in the debate that pension affordability concerns are largely resolved through the 2019 agreement and rejected the idea that there is a divide between keeping or removing the proposal, instead emphasizing that his position is to remove it. Van Meenen rejected that framing and reiterated that if the proposal must be abandoned, it should be done as soon as possible.

Unions have also strongly criticized the government plan and refused to negotiate on it, instead announcing planned actions. The FNV union warned the Senate that the pension agreement is being undermined.

Earlier in the lower house, attempts to fully block the proposal failed, though lawmakers approved a separate motion calling for a softer approach to the increase. Coalition parties D66, VVD, and CDA have said they will explore adjustments, including a less strict link between life expectancy and retirement age and possible exemptions for physically demanding jobs.

The government has said it will pause and reassess the proposal in consultation with unions, but labor organizations have rejected negotiations.