The fight against corruption becomes necessary facing society’s growing distrust in its government. Corruption undermines economy and, as a consequence, limits the growth of countries and seriously affects democracy due to the loss of legitimacy of representatives. Without it, the constitutional Rule of Law can not guarantee a better quality of life for its population. This research, which is based on documentary investigation, concludes that for strengthening constitutional democracy is necessary to aknowledge the right of access to information and a public policy of transparency as an antidote against corruption and as a pillar for democratic consolidation.