Venue developments will include the £250m refurbishment of Rio de Janeiro's Maracanã Soccer Stadium and the opening of a football museum.
"There will be a huge amount of hotel investment coming from international hotel chains," said Brazil Tourist Office director Glauco Chris Fuzinatto.
The country is also introducing an international one-to-five-star hotel grading system.
Rio de Janeiro's airport capacity will grow to 20 million a year by 2014.
Brazil's conference and incentive business is expected to increase by at least 7% in each year leading up to the events.