São José dos Campos, in the interior of São Paulo state, brings together the aerospace industry, research centres, universities and hundreds of technology-related companies-a mix that helps to explain why it is linked to the nickname “Brazilian Silicon Valley”. The city has also been posting strong results in recent indicators covering development, jobs, sustainability and urban quality.
Why is São José dos Campos called the Brazilian Silicon Valley?
The city’s shift towards technology accelerated through institutions such as the Aeronautics Institute of Technology, aerospace research centres and, later on, Embraer. Today, the Technological Innovation Park links companies, universities, research institutes and start-ups, and says it has more than 300 affiliated businesses, as well as a cluster with more than 100 firms in the aeronautical, space and defence sectors.
The nickname is not used solely for this municipality: Campinas is also frequently labelled “Brazilian Silicon Valley”, especially because of the ecosystem built around Unicamp and other research and technology institutions. Even so, in this comparison São José dos Campos is the city that most closely fits the title, due to its blend of a technology hub, aerospace industry and the latest development indicators.
What do the rankings show about quality of life?
In IFDM 2025-compiled using data for 2023-São José dos Campos recorded an index of 0,8497, categorised as high development, placing 44th nationally. The municipality also achieved the best result among the cities of the Paraíba Valley. Meanwhile, the IDHM available via IBGE is 0,807, based on the 2010 Census, so it should not be presented as an up-to-date picture of 2026.
- IFDM 2025 of 0,8497, within the high-development band;
- 44th nationally in the Firjan index;
- Best result in the Paraíba Valley in this edition;
- IDHM of 0,807, referring to 2010;
- Municipal classification showing high levels of wealth and strong social indicators in IPRS.
How do universities and companies attract highly qualified professionals?
The local ecosystem means that academic training, applied research and industry operate relatively close to one another. Engineering, information technology, defence, aviation and the space sector have created a specialist market that draws in students, researchers, engineers and innovation-focused professionals.
The Technology Park helps to join these stages together by bringing established companies, start-ups and teaching and research institutions into a single setting. This concentration makes it easier for professionals to move between university, laboratory and industry-one of the factors that makes São José dos Campos resemble, on a Brazilian scale, the idea of a technology hub akin to Silicon Valley.
Below, watch a video from the Explora Brasil channel featuring 13 unmissable places to visit in São José dos Campos:
Which other indicators put the city in the spotlight?
São José dos Campos has also been building recognition for sustainability and urban management. In 2025, it ranked first among Brazilian municipalities with over 500,000 inhabitants in the Sustainable Development Index of Cities, linked to progress on the Sustainable Development Goals. The city also holds platinum-level certifications under ABNT NBR ISO 37120, 37122 and 37123, as well as ISO 37125.
- Home to one of the largest technology ecosystems in the interior of São Paulo state;
- Strong concentration of aerospace and engineering activity;
- High employment and income indicators in IFDM;
- Recognition for sustainability and urban development;
- Strategic road connections along the corridor between São Paulo and Rio de Janeiro.
Does technology remove the problems of a large city?
Strong indicators do not make São José dos Campos free of challenges. Urban growth increases pressure on mobility, housing and infrastructure, and the municipal administration itself runs programmes for land-tenure regularisation, social housing and investment in transport and road safety. In 2025, for instance, hundreds of families were involved in processes to regularise informal urban settlements.
That mix is precisely what offers a fuller picture of the city. São José dos Campos stands out for its concentration of knowledge, companies and research and appears among Brazil’s high-development municipalities, yet it still faces the typical strains of a major urban centre. Comparisons with other São Paulo state cities known for quality of life are more meaningful when technology, social indicators and growth-related challenges are considered together.
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