May 2018

Outside groups, mostly dark money, account for 1 in every 3 ads in House and Senate races May 7, 2018 Report Highlights • 2014 vs. 2018 midterm ad airing comparisons (Table 1) • Ad volumes/spending in statewide races with primaries May 8, 15, and 22 (Table 2 and Table 3) • Gov races see the most advertising with over 350,000 airings to date (Table 4) • House special elections in MT-1, GA-6, PA-18, SC-5 top the list with most ad airings (Table 5) • Conservative-leaning outside groups are very active (Table 6) • Dark money accounts for 3 in 5…