H-4 is the dependent status for an H-1B beneficiary's spouse or child under the age of 21.

H-4 dependents are not permitted to work in the United States. This includes volunteer or unpaid employment.

H-4 dependents may engage in full- or part-time study. Children in H-4 status may attend public schools and spouses in H-4 status may apply for admission to Purdue as a degree-seeking or non-degree seeking student.