Adios to the PRI? Changing voter turnout in Mexico's political transition

During the last decade, patterns of voter turnout in Mexico have changed dr astically. Turnout patterns now resemble those of established democracies, where affluent and politically engaged citizens are more likely to particip ate than poorer, less informed, and rural voters who make up the Institutio nal Revolutionary Party's traditional base. Because those Mexicans most lik ely to vote are also those most likely to support the opposition, especiall y the National Action Party, changing partisan biases in electoral particip ation have had crucial consequences for Mexico's political system.