Brazilian parties that have declared themselves neutral in the presidential election are not really neutral. MDB, PP, União Brasil, Republicanos, Podemos and PSDB/Cidadania – parties that form or orbit the loose, pragmatic congressional bloc known as the Centrão — are protecting their leaders’ most valuable asset: their caucuses in Congress. Without a binding national alliance, state party organizations can campaign alongside President Luiz Inácio Lula da Silva (PT) where he remains strong, align with Flávio Bolsonaro (PL) where the Bolsonaro movement dominates or rally behind a regional candidate. Neutrality is a hedge against presidential risk and a call option on the next administration: first maximize the number of seats; then negotiate with the winner.
That strategy reflects a deeper shift. Brazil has become more parliamentary in practice without formally adopting a parliamentary system. The presidential campaign still monopolizes attention, but lawmakers and party leaders now control a growing share of what any administration needs to govern. Parties have rarely looked so weak as programmatic organizations – or so strong as political machines. They control candidate selection, campaign funding, state-allocated television airtime, committee positions and municipal political networks. A cabinet ministry remains valuable, but a large congressional caucus lasts four years and will matter to whoever wins the presidency.
Brazil’s 2026 budget shows the scale of that shift. Roughly R$ 61 billion is tied to congressional earmarks and spending lines incorporated into ministry budgets, and much of the earmarked spending must be executed by law. Through individual earmarks alone, each federal deputy can designate around R$ 160 million over four years; each senator, almost R$ 300 million.
The funds must be counted separately. Brazil’s public Election Fund, which finances political campaigns, totals R$ 4.96 billion in 2026. The Party Fund, used mainly to finance parties’ day-to-day operations, has a R$ 1.44 billion allocation this year and would total R$ 5.74 billion over four years if that nominal amount remained unchanged. The Chamber election will alter how the money is distributed among parties, while future federal budgets could increase the overall amount. This is therefore a mechanical extrapolation, not a forecast.
Parties control three distinct levers: campaign finance, recurring public funding for their operations and territorial influence over the federal budget. The effect is cumulative. The Election Fund helps elect a congressional caucus; the performance that produced that caucus increases the party’s future share of public funds; and budget earmarks channel resources to municipalities and political strongholds, strengthening lawmakers ahead of the next election. Incumbency helps finance its own renewal. The transparency gap reinforces the cycle: votes can now be mapped down to neighborhood level, while tracing the authorship, final recipient and execution of every earmark remains more difficult. A lawmaker can claim credit for a road, clinic or ambulance, while ministries, states and municipalities bear the risk of delivering it. Credit is concentrated; accountability is diffuse.
The result is a more powerful party machine: seats in Congress translate into money, influence and bargaining power. For the leadership of the PL, maintaining or expanding a caucus of nearly 100 federal deputies may be as valuable as — or more valuable than — winning the presidency. A caucus of that size preserves leverage over any administration. The same logic helps explain the pragmatism of PP leader Ciro Nogueira and PSD chief Gilberto Kassab. What looks like ideological inconsistency is, in fact, financial and institutional consistency.
None of this makes the presidential election irrelevant. The Planalto presidential palace still controls the federal administration, sets economic and foreign policy, appoints cabinet members and senior officials, and retains important agenda-setting and veto powers. But winning the presidency no longer means securing the conditions needed to govern. Jair Bolsonaro promised to end old-style political horse-trading and ultimately became dependent on the Centrão. Lula returned to office with a broad coalition and has spent much of his term wrestling with a more autonomous Congress over control of the budget. Flávio Bolsonaro, if elected, would face the same constraints. Both houses approve the budget and legislation and can override presidential vetoes; the Senate also vets appointments to the highest courts and key economic institutions.
The composition of the two houses will determine the viability of the next government’s economic program, its ability to raise taxes or cut spending, and the balance of power among the executive branch, Congress and the Supreme Court. For investors, following only the presidential polls provides an incomplete picture of Brazilian political risk. For voters, the equivalent mistake is to choose a president as though they were choosing an entire government. It is the less closely watched contest -the race for Congress – that will determine how much room the next president has to deliver on campaign promises.
The parties remaining neutral are positioning themselves so that, after the election, the next president will have to choose them. Brazil’s election has become a congressional power struggle obscured by the spectacle of the presidential race. Political power does not reside in the Planalto alone. It’s Congress, stupid.
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