Imibare ikigo National Survey of Sexual Attitudes and Lifestyles (Natsal) cyahaye BBC ivuga ko mu 2003 hejuru ya 43% y'abagabo bari hagati y'imyaka 16 na 24 'bagize uko bigenza' mu byumweru bine byari bishize babazwa bavuze ko buri nshuro yose bakoresheje agakingirizo.
