Internet adoption will reach 42.6% of the population in Latin America in 2012, according to eMarketer. The level is expected to reach 53.4% by 2016.Internet user penetration in Latin America, 2011-2016:- 2011: 38.4%- 2012; 42.6%- 2013: 46.0%- 2014: 49.0%- 2015: 51.5%- 2016: 53.4%eMarketer estimates that internet adoption will reach 40.5% in Mexico in 2012, for a total of 46.6 million users. That is lower than the average internet user penetration rate for Latin America overall.Internet user penetration in Latin America, by country in 2012:- Argentina: 54.3% (to reach 68.0% by 2016)- Brazil: 42.0% (48.0%)- Mexico: 40.5% (53.8%)- Other: 42.1% (55.4%)