In the wake of the October 7, 2023, attack by Hamas, Israeli political leaders have agreed on increasing defense expenditures, but the sustainability and effectiveness of such spending have come under scrutiny. Despite Israel’s substantial military resources, critics say the recent conflict exposed shortcomings not in funding but in the deployment and readiness of the Israel Defense Forces (IDF).

Israel’s defense budget has surged sharply since the outbreak of hostilities. Before the war, the defense budget stood at approximately NIS 63 billion. In the immediate aftermath, an additional one-time allocation of NIS 18 billion was approved. In the following fiscal year, the budget more than doubled to NIS 164 billion, and further increases have been proposed for the current year. If these requests are fulfilled, defense spending could approach nearly three times the prewar level.

This rapid escalation in military expenditure has pushed Israel’s national debt to an estimated 70 percent of gross domestic product by the end of 2024, up from 60 percent before the conflict. While the spike in funding was viewed as necessary during active combat, concerns are rising over the long-term economic impact and viability of maintaining such elevated levels of military spending.

Historically, Israel has grappled with similar fiscal challenges in the aftermath of conflict. In 1952, the government reduced defense spending by 20 percent despite military opposition, prioritizing economic growth amid large immigration waves. This approach helped fuel a decade of rapid development and supported future military successes. By contrast, excessive defense outlays in the 1970s, driven by the need to rebuild after the Yom Kippur War, led to severe economic strain, hyperinflation surpassing 400 percent, and soaring national debt, culminating in a prolonged period of economic hardship until corrective austerity measures were implemented in 1985.

Experts argue that Israel’s current economic strength and growth prospects differ from those earlier periods, but caution against unsustainable defense spending remains. Overinvestment in the military could lead to higher borrowing and tax burdens, stifling investment, job creation, and public services. There is also concern that bloated military budgets may not translate into enhanced security or operational success, citing examples such as Saudi Arabia, whose large defense budget has not prevented ongoing security challenges.

Economists and strategists have suggested that Israel’s defense budget should return to approximately six percent of GDP, a level consistent with prewar allocations. This target aims to balance military preparedness with economic stability and social well-being.

The debate over defense spending also reflects ongoing political dynamics. Opposition figures, such as Yair Lapid, have expressed conditional support for increased funding but stress the importance of reallocating resources from other sectors, including payments to ultra-Orthodox political factions. Meanwhile, Prime Minister Benjamin Netanyahu seeks to reinforce the military’s capabilities amid calls for enhanced security measures.

As Israel moves forward, policymakers face the challenge of reconciling immediate defense needs with the imperatives of fiscal responsibility and long-term national resilience.