What is population of salvador brazil?

As an AI language model, I don't have the most recent data, but according to the World Population Review, as of 2021, the population of Salvador, Brazil is estimated to be around 2.9 million people. Salvador is the capital city of the state of Bahia and is located in the northeastern region of Brazil. It is the fourth most populous city in Brazil and is known for its rich culture, diverse population, and historic architecture. The population of Salvador is expected to continue its upward trend in the coming years as the city continues to grow and develop.