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Smartphone apps account for half of all time spent with digital media, according to comScore's Mobile apps report, and two companies own the overwhelming majority of the most-trafficked apps: Google and Facebook.

Expand chart
Data: comScore; Chart: Chris Canipe

Overall, when it comes to time spent on mobile, 87% of mobile time spent is on apps vs. only 13% on mobile web, even though mobile web often receives higher traffic.

Why it matters: Smartphone users spend 96% of their app time within their Top 10 most used apps and Smartphone users spend half their time on their #1 most used app, according to comScore. Google and Facebook own the overwhelming majority of traffic to these apps and are the #1 app for every age group.

  • Younger users love apps: Users ages 18-24 spend a whopping 66% of their total media time in mobile apps, or 3.2 hours per day on mobile apps. Younger users are more likely to place YouTube as the top app, instead of Facebook and are much more likely to rank Snapchat as a top app.
  • Facebook's app dominance: When it comes to desktop and video traffic, Google is king. But on mobile, Facebook is the clear winner. Facebook maintains its position as the #1 app in monthly users, with 81% penetration among mobile app users. Nearly half (46%) of smartphone users have Facebook on their home screen.

Top apps by category and population penetration in the U.S.:

  • Social: Facebook, 93%
  • News: Apple News, 77%
  • Retail: Amazon, 75%
  • Gaming: Words with Friends, 67%
  • Travel: Uber, 27%
  • Sports: ESPN, 23%
  • Dating: Tinder, 11%

Follow the money: in-app advertising has become the one of the fastest-growing mobile ad mediums, with revenue set to surpass $53 billion by 2020. App Annie estimates that by 2020, gross revenue across all app stores will exceed $101 billion globally.

Go deeper

Scoop: Biden briefing calls for 20,000 child migrant beds

President Biden, during a virtual meeting with Mexican President Andrés Manuel López Obrador. Photo: Anna Moneymaker-Pool/Getty Images

A briefing scheduled for President Biden this afternoon outlines the need for 20,000 beds to shelter an expected crush of child migrants crossing the U.S.-Mexico border, Axios has learned.

Why it matters: The rapid influx of unaccompanied children is building into the administration's first new crisis. A presentation created by the Domestic Policy Council spells out the dimensions with nearly 40 slides full of charts and details.

FBI director: Jan. 6 Capitol attack was domestic terrorism

The FBI views the Jan. 6 Capitol siege as an act of domestic terrorism, director Christopher Wray testified in his opening statement Tuesday before the Senate Judiciary Committee.

Why it matters: The FBI's designation of the attack as domestic terrorism puts the perpetrators "on the same level with ISIS and homegrown violent extremists," Wray said.

Sen. Martin Heinrich to introduce plan for Puerto Rico statehood

U.S. Sen. Martin Heinrich (D-N.M.) at a hearing on Feb. 23, 2021 in Washington, D.C. PHOTO: Jim Watson-Pool/Getty Images

U.S. Sen. Martin Heinrich (D-N.M.) and Rep. Darren Soto (D-Fla.) announced Tuesday they would introduce legislation to start the motions for Puerto Rico statehood.

Why it matters: More than 52% of Puerto Ricans voted last November in favor of statehood, three years after Hurricane Maria struck the island and caused one of the worst natural disasters in recorded history. It exposed the island's vulnerable position as a U.S. territory and its lack of resources to battle poverty.