The number of applicants for early admission are now starting to be reported by major colleges and universities. Here's the list as of December 10th:

Institution Date Early Applicants (2018) Early Applicants (2017) Change Source
Boston University 12/3 1,742 1,496  16.4% Link
Bowdoin 11/22 594 602  (1.3%) Link
Brown 11/20 3,086 3,010  2.5% Link
Columbia 11/21 3,296 3,126  5.4% Link
Dartmouth 11/13 1,678 1,574  6.6% Link
Duke 11/12 3,191 2,540  25.6% Link
Emory 12/4 1,151 959 (est.)  20.0% Link
Georgetown 11/8 6,569 6,565   0.1% Link
Kenyon 11/21 232 198  17.2% Link
Northwestern  11/14 2,794  2,450  14.0% Link
Princeton 11/17 3,831 3,810   0.6% Link
Swarthmore College 11/21 343 318 (est.)  8.0% Link
University of Chicago 11/26 11,143 10,316  8.0% Link
University of Pennsylvania  11/14  5,133  4,815  6.6% Link
University of Virginia 11/4 14,309 13,815  3.6% Link
Williams 11/20 550 618  (11.0)% Link
Yale 11/19 4,768 4,514  5.6% Link