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Difference between Brazil and Paraguay highlights opposite tax models in South America, while the neighboring country maintains reduced VAT and lower collection, Brazil accelerates consumption tax reform to simplify a system marked by overlapping taxes, high tax burden, and rules spread across the Union, states, and municipalities.
Brazil and Paraguay reached 2026 at opposite ends of regional taxation: while the neighboring country maintained a general VAT of 10% and a tax burden of 15.8% of GDP, Brazil reached 33.7% of GDP and advanced in the transition to a dual VAT.
The figures reinforce a contrast that has fueled debates for years about economic competitiveness, companies’ operational costs, and the efficiency of collection models adopted in South America.
On one hand, Paraguay preserves a structure considered leaner in relation to the size of its economy.
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On the other hand, Brazil attempts to reorganize a system historically marked by fragmented rules, multiple taxes, and different competencies among the Union, states, and municipalities.
The contrast appears in the most recent OECD survey on revenue collection in Latin America and the Caribbean, which consolidates fiscal data from 2024 and continues to guide tax discussions in 2026.
The study shows Brazil at the highest level among the evaluated countries.
The regional average was 21.7%, well below the Brazilian level and above the percentage recorded by Paraguay.
The difference between the two countries also gains relevance because the tax issue has taken center stage in discussions about productivity and the business environment.
Companies operating in integrated markets in South America frequently point to Brazilian complexity as one of the factors that raise administrative costs and increase the time spent on tax obligations.
At the same time, experts observe that simpler tax models do not always mean greater public investment capacity or higher revenue collection for social programs and infrastructure.
Difference between VAT and tax burden widens regional contrast
The 17.9 percentage point difference between the two countries is not explained solely by consumption tax.
The tax burden measures all revenue collected in relation to GDP, including taxes on income, payroll, assets, goods, services, and social contributions.
Even so, Paraguayan VAT helps highlight the difference between the models.
With a general rate of 10%, Paraguay is below the South American average of 16.8% and also below the regional average of 14.6% indicated by the OECD.
In Brazil, the comparison is more complex because consumption taxation was built with several overlapping taxes.
The Union, states, and municipalities divided competencies over the years, creating distinct rules for PIS, Cofins, IPI, ICMS, and ISS.
This design meant that companies had to deal with different state legislations, varied interpretations, and frequent changes in tax rules.
In many cases, the Brazilian tax structure began to require specialized departments solely to monitor ancillary obligations and administrative disputes.
Complexity also affected production chains, especially sectors with interstate operations and high circulation of goods.
Weight of consumption taxes in the Brazilian system
OECD data shows that taxes on goods and services reached 14.4% of Brazilian GDP in the most recent consolidated survey available, published and used as a reference in 2026.
Social security contributions represented 8.1%, while taxes on income, profits, and capital gains totaled 9.1%.
Within this framework, the component classified as VAT and general taxes on goods and services stood at 6.8% of GDP.
Therefore, the Brazilian discussion is not limited to a visible consumer rate, but to the accumulated cost of a fragmented system.
The OECD itself did not place Brazil in the same direct table of general VAT rates.
The entity observed that the country maintained different taxes levied at subnational levels, which made a simple comparison difficult with countries that adopt a more uniform national VAT.
Tax reform bets on dual VAT to reduce bureaucracy
The Brazilian response to this design was the consumption tax reform, regulated by Complementary Law No. 214, of 2025.
The new model creates the CBS, under federal jurisdiction, and the IBS, shared by states and municipalities, forming the so-called dual IVA.
The transition officially entered its testing phase in 2026.
During this period, CBS and IBS appear with reduced rates and coexist with current taxes, in a gradual process that is expected to be completed by 2033.
The change replaces PIS, Cofins, IPI, ICMS, and ISS with new taxes on goods and services.
The official objective is to simplify collection, reduce distortions, increase transparency, and decrease the operational burden for companies operating in different states and municipalities.
The expectation of the federal government and part of the productive sector is that the unification will reduce tax disputes and facilitate the use of credits throughout the production chain.
Another point frequently cited by business entities involves the possibility of reducing bureaucratic costs related to fulfilling tax obligations.
The gradual transition until 2033 was defined precisely to avoid abrupt changes in contracts, state revenue collection, and the adaptation of company systems.
Competitiveness and business environment take center stage in the debate
Paraguay combines a low general IVA rate with lower total revenue collection relative to the size of its economy.
Brazil, on the other hand, maintains a tax burden close to the OECD average, but with a historically more complex structure for the taxpayer.
This contrast explains why the topic appears in discussions about competitiveness, border trade, and the business environment.
For companies, the difference is not just in the percentage charged, but also in the time spent calculating, collecting, and proving taxes.
In the Brazilian case, the reform does not seek to copy the Paraguayan model.
The bet is to replace a heavy architecture with a more uniform system, even though the total burden depends on rules, final rates, and exceptions defined during the transition.
The comparison between the two neighbors shows, above all, that tax burden and IVA rate are different indicators.
One country may charge less on consumption and collect less overall, while another may concentrate revenues on varied bases and operate with more extensive rules.
In practice, OECD data indicate that Brazil and Paraguay represent distinct state financing strategies within the same region.
While the Paraguayan model stands out for lower consumption taxation, the Brazilian system attempts to balance high revenue collection with a reform aimed at operational simplification.
The comparison highlights that the tax debate in South America has moved beyond just the size of the collection and now includes predictability, transparency, and the ability to reduce bureaucracies affecting consumers and businesses.
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