DIGITAL OOH MARKET SIZE - US

• According to PricewaterhouseCoopers (PwC), the digital out-of-home (OOH) advertising market in the US is estimated at $10 billion in 2018 and projected to grow to $11.5 billion in 2022 or at 3.56% CAGR.
• The Out of Home Advertising Association of America (OAAA) reported in 2018 that public transportation together with hotels and resorts had a total OOH advertising spend of $535.6 million in 2018. (This latest report does not have a separate breakdown for transit advertising only.)
•  OAAA's earlier report in 2015 determined the transit advertising revenue to be $1.3 billion, comprising 18% of the overall OOH revenue.
• The OAAA report stated the following number of OOH displays in 2016: 68,560 in airports, 205,426 in buses, 184,078 in subway and rail, 1,200 in mobile billboards, 2,732 truckside vehicles, 46,194 in taxis/wrapped vehicles, and 3,760 in digital transit.
• The U.S. Transportation Research Board also reported in 2012 that almost $1 billion is spent annually on public transit advertising.

GLOBAL OOH MARKET SIZE AND GROWTH

• Alternatively, we could also apply the CAGR of the global outdoor advertising market to triangulate the growth rate through 2024.
• According to IMARC Group's report, the global market size reached $41.8 billion in 2018.
• The global outdoor advertising market is projected to grow at a 4.9% CAGR from 2019 to 2024.