Summary
The IR-5 visa allows U.S. citizens to sponsor their parents for permanent residency in the United States without being subject to annual visa limits.

Eligibility Criteria
• The petitioner must be a U.S. citizen
• The petitioner must be at least 21 years old
• A qualifying parent-child relationship must be established
• Step-parents and adoptive parents may qualify under specific rules

Conclusion
This visa enables long-term family reunification and provides parents with lawful permanent resident status in the United States.