involves a suspect classification—any classification based on race or national origin, or a state law classification based on citizenship—under the equal protection clause.
To meet this standard, the government must prove that the law is:
motivated by a compelling government interest, such as the protection of human life or safety, and
narrowly tailored, meaning that the law achieves the government's compelling interest in the least restrictive way possible.
Most laws that are reviewed using strict scrutiny fail to meet the standard and are declared unconstitutional.