E.g.: https://www.npr.org/2019/01/16/686056668/for-seventh-consecutive-year-visa-overstays-exceeded-illegal-border-crossings https://www.npr.org/2019/01/16/6860

E.g.: https://www.npr.org/2019/01/16/686056668/for-seventh-consecutive-year-visa-overstays-exceeded-illegal-border-crossings https://www.npr.org/2019/01/16/686056668/for-seventh-consecu... Historically, visa overstays accounted for about half of illegal immigrants.