Last year approximately 818,500 people in the United States were granted U.S. citizenship, according to U.S. Citizenship and Immigration Services.
Every year, thousands of Coloradans prepare for the citizenship exam.
CBS Colorado visited a class with residents studying English, U.S. history and government. The participants are also helping each other build confidence for their big day.
CBS
"Bienvenidos a clase," said instructor Felice Morales, welcoming students to class.
At Denver Public Schools Far Northeast Community Hub, aspiring citizens create community while studying U.S. civics.
"Manuel, why do you want to become a U.S. citizen?" asked Morales. "For a better life," the student responded.
Morales says for people who didn't attend U.S. schools, some parts of the civics studi