Belgium's federal budget debate has entered a critical phase as Finance Minister David Clarinval, a member of the liberal Reformist Movement (MR), warned that any proposal to increase the value‑added tax (VAT) would be "unacceptable." The statement, made during a parliamentary session on Thursday, signals deepening disagreements within the coalition government over how to fund projected deficits without burdening households.
Political stakes
The MR, a French‑speaking centre‑right party that currently holds the finance portfolio, has positioned itself as a defender of the existing VAT framework. Clarinval's remarks come as the coalition, comprising the MR, the social‑democratic PS, the Flemish Christian Democrats (CD&V) and other partners, wrestles with competing fiscal priorities. While the PS pushes for additional revenue measures to support social programmes, the MR argues that a VAT hike would undermine economic recovery and hurt consumers already facing high living costs.
Fiscal backdrop
VAT is Belgium's largest source of indirect tax revenue, accounting for roughly one‑third of total tax intake. The government projects a shortfall of several billion euros for the 2025 fiscal year, prompting calls from some coalition members to revisit the 21% standard rate. However, the MR contends that the fiscal gap can be addressed through improved tax collection efficiency and targeted spending cuts, rather than expanding the tax base.

"Any attack on VAT is unacceptable," Finance Minister David Clarinval told parliament, emphasizing the party's resolve to keep the rate unchanged.
Clarinval's stance reflects broader concerns among Belgian businesses that a VAT increase could dampen consumer spending, especially in sectors still recovering from the pandemic and recent energy price shocks. Industry groups have echoed the minister's warning, suggesting that higher indirect taxes could exacerbate inflationary pressures.
Opposition parties, including the far‑right Vlaams Belang and the green Ecolo, have seized on the MR's position to critique the government's fiscal discipline. Vlaams Belang argues that the ruling coalition is out of touch with ordinary citizens, while Ecolo calls for a progressive tax overhaul that would protect low‑income households.

Analysts note that the MR's firm line on VAT could force the coalition to explore alternative revenue streams, such as increased corporate taxes, a modest rise in income‑tax brackets for high earners, or the sale of state assets. However, any shift in fiscal policy will require consensus among the diverse coalition partners, a process that could extend well beyond the current parliamentary session.
As the budget debate continues, the MR's warning serves as a litmus test for the coalition's unity. The outcome will shape Belgium's fiscal trajectory for the coming year and could set a precedent for how European governments balance revenue needs against the political risk of tax hikes in a fragile economic environment.