Rio 2016 have received 1.2 million ticket applications from Brazilian residents since sales began on March 31, it is claimed.
The most popular sports in terms of ticket requests have been volleyball, football and basketball, with artistic gymnastics, swimming, athletics, tennis, beach volleyball, judo and handball completing the top 10 most sought-after.
“We have received requests for all the sports in the programme and fans from throughout Brazil are buying tickets,” said Donovan Ferreti, Rio 2016’s ticketing director.
“This shows that these are not just Rio’s Games, but all of Brazil’s.”
The majority of applications have come from Rio de Janeiro, followed by the states that will co-host the Olympic football tournament - São Paulo, the Federal District, Minas Gerais, Amazonas and Bahia.
Approximately 7.5 million tickets will be put on sale for Rio 2016, with more half being priced at BRL R$70 (£15/$22/€20) or less.
Brazilian residents have until April 30 to request tickets in the first draw, the results of which will be announced in June.
Only those who entered the first draw will be able to apply in the second draw, which is due to open in July ahead of the results being announced in August.
The cheapest tickets will be BRL R$40 (£9/$12/€11.50), while the most expensive ticket for a sports event will be BRL R$1,200 (£251/$373/€347), and the most expensive Opening Ceremony ticket will be BRL R$4,600 (£962/$1,428/€1,331).
Complete information on how to apply for tickets can be found in English by clicking here.
Non-residents of Brazil are able to establish the identity of the Authorised Ticket Reseller in their respective country by clicking here.