This document discusses the Human Development Index and Gini coefficient. It explains that the HDI is an index created by the UN to measure a nation's development based on criteria like education, health, and income levels. Countries are measured on a scale from 0 to 1. The Gini coefficient also measures inequality but on the distribution of a country's wealth among its inhabitants. Mexico ranks 61st on the HDI with a score of 0.775, indicating high human development. Municipalities in Mexico are grouped into categories based on their development levels.