13 who fell off

Staying on top isn't easy.

50 Most Powerful Women Women have come a long way (don't say 'baby') - and they're not slowing down. The credentials of the women on Fortune's list this year are the strongest yet. (more)
25 Highest-paid women Which corporate women raked it in last year - and how much did they earn? (more)
50 Global leaders See which women executives are on top of the world. (more)
25 Best-paid men See how male executives' paychecks compare. (more)