U.S. ad spend is projected to grow 7% this year to $221B.
Ad spend by year:
1) 2017 — $207.3B (↑ 7%)
2) 2018 — $221.0B (↑ 7%)
3) 2019 — $235.8B (↑ 7%)
4) 2020 — $250.4B (↑ 6%)
5) 2021 — $262.3B (↑ 5%)
6) 2022 — $274.4B (↑ 5%)
Ad spend on mobile will exceed television for the first time in 2018.