Significance

Immigration from Mexico has generally reflected colonial history, economic opportunity, labor demand, family reunification, educational advancement, political change, and regional mobility.

Migration from Mexico has played a central role in the history of the United States for centuries. Because of geographic proximity, historical connections, and economic integration, Mexican migration has been one of the largest and most significant migration movements in North America. Mexicans have migrated to the United States for agricultural work, industrial employment, education, entrepreneurship, and family reunification. Political changes, economic conditions, labor demands, and trade relationships have continued to influence migration patterns. Today, Mexican immigrants represent one of the largest immigrant communities in the United States, contributing significantly to agriculture, construction, healthcare, education, technology, business, and cultural life while maintaining strong linguistic, cultural, and family ties with Mexico.

Mexican Migration Before Independence

Before independence, Mexico was part of the Spanish Empire and was known as New Spain, one of Spain's most important colonies in the Americas. Migration during the colonial period was influenced by mining, agriculture, trade, missionary activity, military service, and government administration. Indigenous peoples, Europeans, Africans, and mixed communities contributed to the development of colonial society, while movement occurred throughout New Spain and other Spanish territories. Following the Mexican War of Independence (1810–1821), Mexico gained independence from Spain on September 16, 1821. The relationship between Mexico and the United States was shaped by geographic proximity, including the Mexican-American War (1846–1848), after which large territories became part of the United States. Many Mexican communities remained in these regions, creating longstanding cultural connections between both countries.

Late-Twentieth- and Early-Twenty-First-Century Immigration

Migration from Mexico increased significantly during the twentieth century due to agricultural labor demand, industrial growth, economic differences between the two countries, and established family networks. Programs such as the Bracero Program (1942–1964) brought Mexican workers to the United States for temporary agricultural employment, while later migration expanded through family sponsorship, employment opportunities, and economic integration. Students, physicians, engineers, scientists, academics, entrepreneurs, information technology specialists, business professionals, and skilled workers increasingly travelled to the United States for education, specialized employment, investment, or family reunification. In the United States, Mexican immigrants often rely on family networks, churches, cultural organizations, community groups, and professional associations for support with housing, employment, education, and community integration while preserving Spanish, Indigenous languages, traditional cuisine, music, festivals, cultural heritage, religious practices, and close relationships with relatives in Mexico.