Just to be clear, you are comparing different statistics. Based on your sources, assuming perfect use 2 out of 100 women using condoms will get pregnent, compar

Just to be clear, you are comparing different statistics. Based on your sources, assuming perfect use 2 out of 100 women using condoms will get pregnent, compared to 4 out of 100 using withdrawal. If you do not filter for perfect compliance, the stat is 27/100 for withdrawal, and 18/100 for condoms.