$4.2b was spent on advertising during NFL games last year despite the lowest ratings of the decade.
Quick Math (2016 vs. 2010):
1) Average viewership: ↓ 7%
2) Ad spend: ↑ 91%
If we assume that the same number of ad spots ran during NFL games in 2010 vs. 2016, then the cost to advertise to one household has increased 105% since 2010.
TV Ratings for NFL Kickoff:
1) 2016 — Panthers/Broncos: 25.2m
2) 2017 — Chiefs/Patriots: 21.8m (↓ 13%)
More on this topic. NFL TV Networks See Generally Higher CPMs
NFL advertising rates by CPM $ (2016 vs. 2015):
1) NBC: $41.29 (↓ 6%)
2) Fox: $39.94 (↑ 9%)
3) CBS: $35.58 (↑ 8%)