Abortion pills are safe to use for women of any age.
There is no upper or lower age limit  to use the abortion pills.
 WHO. Frequently asked clinical questions about medical abortion. Retrieved from: https://www.womenonweb.org/en/media/inline/2012/6/5/who_medical_abortion.pdf
*Nothing provided herein should be construed as professional medical advice and no medication / pills should be used without a prescription from a licensed / registered medical practitioner eligible to prescribe such medication in your local jurisdiction.