 The city saw continuous growth throughout the rest of the 20th century, attaining a 1 million metro population in the 1960s and passing 3 million in the 1990s.Guadalajara is a global city and one of Mexico's most important cultural centers.It is home to numerous mainstays of Mexican culture, including Mariachi, Tequila, and Birria and hosts numerous notable events, including the Guadalajara International Film Festival, the most important film festival in Latin America, and the Guadalajara International Book Fair, the largest book fair in the Americas.