We examined cervical cancer incidence before and after nationwide cervical cancer screening was initiated in Taiwan in mid-1995.,The invasive cancer incidence decreased by 47.8% during 1995-2006. The carcinoma in situ incidence increased 1.7-fold during 1995-2000, and decreased by 19.6% during 2000-2006.,The Taiwan national programme has significantly decreased invasive cervical cancer.