The cabinet in the Netherlands has proposed significant changes to the “box 3” asset tax system, following years of criticism and legal challenges. Currently, “box 3” taxes savings and investments based on fictitious return rates, regardless of actual returns—a method previously ruled partially unlawful by the Supreme Court of the Netherlands. The proposed overhaul aims to calculate taxes based on actual returns for taxpayers, offering a more equitable system. For those with limited financial records, a continued reliance on fictitious returns will apply, but with adjusted rates. The changes are intended to address the previous system’s perceived unfairness, offering more transparency and aligning taxation with actual wealth growth within the Netherlands. These modifications will impact individuals with substantial savings and investments held within the “box 3” framework.