Brazil Congress Centrao Bloc Keeps Trading Ministries for Billions in Secret Budget Amendments

Politics · Brazil

Brazil’s Centrao has become a standing reference not because of ideology but because of its permanent role in distributing state resources, ministries and budget amendments to its member parties.

Centrao as a Standing Reference

The Centrao is a bloc of centrist and center-right parties in Brazil’s Congress that bands together mainly to trade legislative support for access to state resources, such as ministries, appointments and budgetary control.

The group is not a formal political party, but a pragmatic, clientelistic and non-programmatic coalition focused on patronage and distribution of benefits.

It avoids cohesive policy platforms and instead prioritizes negotiating state resources for its member parties and their allies.

Despite its lack of formal structure, the Centrao has repeatedly controlled a large share of seats, making it indispensable to any president seeking to govern Brazil.

Origin in the Constituent Assembly

The term Centrao originates in the 1987-1988 National Constituent Assembly, which was convened to draft the post-dictatorship Constitution.

At that time, the bloc referred to a group of center-right parties aligned with then-president José Sarney, who governed from 1985 to 1990.

The original Centrao aimed to block more progressive proposals backed by reformist constituents such as Ulysses Guimarães.

Parties in that original bloc included the PFL, PL, PDS, PDC, PTB and segments of the PMDB.

Fragmented Party System and Coalition Building

The Centrao emerged from Brazil’s highly fragmented party system, which operates under open-list proportional representation and permissive party formation rules.

This system produced a large number of medium and small parties, making presidential coalition-building essential for governance.

No single party has generally been able to dominate Congress, forcing presidents to assemble broad alliances.

The Centrao became the most consistent and effective negotiating bloc within that fragmented party system.

Revival as the Blocao and the Cunha Era

The bloc re-emerged around 2014, when Eduardo Cunha as PMDB leader in the Chamber assembled an enlarged government-base bloc.

This blocao included at least eight parties: PSC, PP, PROS, PMDB, PTB, PR, Solidariedade and others.

Together they totalled 242 deputies, corresponding to 47 percent of the Chamber of Deputies.

Cunha’s control over this bloc facilitated his election as Speaker of the Chamber in the first round in February 2015, reinforcing the Centrao as the primary power center within the lower house.

Role in Impeachment and the Temer Government

The Centrao bloc was a key actor in the impeachment of President Dilma Rousseff, who was removed from office in May 2016.

After the impeachment, the bloc supported Michel Temer’s government from 2016 to 2018.

In exchange for votes, the Centrao received policy concessions and budgetary advantages from the Temer administration.

This pattern confirmed the bloc’s standing as a governing necessity rather than a temporary alliance.

How the Centrao Trades Votes for Power

Brazilian presidents operating in a fragmented Congress typically assemble coalitions of convenience with the Centrao, offering cabinet posts, leadership of state-owned enterprises and control over budget amendments.

In return, the bloc delivers votes on key legislation and protection from impeachment or oversight.

This exchange is not secret in principle, but the specific allocation of budget resources often remains opaque to the public.

Control over budget amendments gives Centrao leaders direct influence over federal spending directed to their preferred local projects.

Emendas Parlamentares and the Budget Amendment System

Emendas parlamentares are budget amendments proposed by deputies and senators to allocate federal funds to specific projects, entities or subnational governments such as states and municipalities, within the annual Orçamento da União, or Union budget.

The major categories relevant to the Centrao include emendas individuais, individual amendments by each parliamentarian with equal quotas, and emendas de bancada, state caucus or thematic caucus amendments.

Other categories include emendas de relator, known as RP9, which became famous as the orçamento secreto, or secret budget, and emendas de comissão, known as RP8, adopted by standing committees.

After the Supreme Court restricted some opaque mechanisms, emendas Pix emerged as transfer channels with fewer formal restrictions and less tracking.

Billions in Opaque Amendments

According to technical data from the Controladoria-Geral da União, the federal comptroller agency, the government has committed tens of billions of reais in parliamentary amendments since 2020.

That is approximately US$12.1 billion at an exchange rate of 5.4 reais per US dollar.

Of that total, Transparencia Brasil found that of R$9.4bn in parallel bench amendments between 2020 and 2025, only R$3.7bn could be traced to a named author.

The 2026 budget carries R$61bn in amendments, about US$11.8bn, inside a R$6.5 trillion total. That is roughly a quarter of the federal spending ministers can actually direct.

The pressure has kept building. On 23 August this year Justice Flavio Dino declared void every amendment requested or indicated by party presidents rather than by sitting legislators.

Nineteen parties formally denied operating quotas, two were fined while they delayed, and the replies went to the federal police. Two of the bloc’s largest parties, PP and Uniao Brasil, formally left the government in September last year and still vote with it about seven times in ten.

The most severe opacity was found in emendas de relator, where of R$46.5 billion in RP9 expenditures from 2020 to 2022, nominal authorship could be associated with just R$8.4 billion.

Supreme Court Rulings on Amendment Transparency

The Supreme Court has repeatedly ruled that opaque budget amendment practices are unconstitutional, particularly regarding the orçamento secreto.

In response, emendas de comissão between 2022 and 2024 showed almost complete author identification, with proponents identified for R$16.9 billion out of R$18.9 billion.

However, technical reports indicate that the Chamber of Deputies continued to direct R$1.3 billion in amendments without identifying the author, a practice the court considers unconstitutional.

The conflict shows that legal rulings alone have not eliminated the underlying system of resource distribution through less transparent alternative channels.

Why Every President Governs Through the Centrao

Every president since redemocratization has had to assemble a coalition with the Centrao because the fragmented party system prevents any single party from securing a legislative majority alone.

The bloc’s clientelistic structure makes it a reliable partner for presidents who distribute resources, but a constant threat to those who refuse.

During the secret budget period from 2020 to 2022, Centrao parties concentrated around 50 percent of the R$10.9 billion in reported RP9 resources, while opposition parties indicated only 1.8 percent.

This concentration demonstrates the structural power of the Centrao over federal spending and its central role in determining executive survival and legislative success.

Investor Implications and Institutional Risk

Foreign investors following Brazil need to understand that the Centrao is not an opposition force but a standing part of the governing architecture.

Budget amendments controlled by the bloc affect infrastructure, health and education spending across states and municipalities.

The lack of attribution creates uncertainty about fiscal oversight and project quality. Committee amendments alone ran to R$20.36bn in 2025, of which R$8.5bn carried no authorship trace.

The Centrao will likely continue to demand ministries and budgetary power from any president, making it a permanent factor in Brazilian governance and policy risk.

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