Lots of potential undergraduates want to get into UC and UCLA has the highest count. About 1 out of 5 applicants are transfers for UC and UCLA.
Has tuition slowed down applications? All we can say is that overall, applications are up but the annual percentage increase for all-UC and UCLA is lower than it was last year: 13% vs. 9% (for UCLA also 13% vs. 9%). The Latino proportion of applicants is showing a steady rise for UC and UCLA.
The official data are at: