Mobile Internet traffic has grown from 1% in 2009 to 15% in 2013. To put it simply, people are increasingly choosing to surf the web, not with a laptop or desktop, but via their smartphones or tablets, or both. If current trends continue, mobile use in the United States and beyond will only continue to skyrocket.

Check out this summary of what’s happening in mobile and related development now:

1. By 2016, US mobile users will increase from 174 million to 265 million. (IDC, Worldwide New Media Market Model, 2012)

2. By 2016, US users accessing the Internet through PCs will shrink from 240 million consumers to 225 million. (IDC, Worldwide New Media Market Model, 2012)

3. Smartphone use in the US is growing 28% year-over-year. (KPCB Internet Trends 2013)

4. Mobile users check their phone on average 150 times a day. (KPCB Internet Trends 2013)

5. Mobile app users are four times more engaged than those surfing the web through a browser. (comScore Mobile Metrix, March 2012)

6. By 2015, mobile app development projects targeting smartphones and tablets will outnumber PC projects by 4:1. (Gartner Predicts, 2012)

7. More than 29% of US adults now own a tablet or eReader, up from just 2% in 2009. (2012 KPCB Internet Trends Year End Update)

8. 140 million iPad units shipped in the first 12 quarters after launch, compared to 50 million iPhones in its first 12 quarters after launch. (KPCB Internet Trends 2013)

9. Almost the same percentage of developers expect to spend the next 6 months building for the tablet, as for the smartphone: 81.34%, compared to 84%. (Appcelerator and IDC Developer Survey, Q2-2013)

10. Developers are building less customer-facing (B2C) apps (down 19%). (Appcelerator and IDC Developer Survey, Q2-2013)

11. Developers are building more business (B2B) and employee (B2E) apps, up from 29.3% in 2010 to 42.7% in 2013. (Appcelerator and IDC Developer Survey, Q2-2013)

12. By 2017, 90% of the enterprise apps will be both desktop and mobile, up from 20% in 2013. (Gartner Predicts, 2012)

13. 63% of developers say enterprise demand for their skills in the past six months has “increased” or “greatly increased,” due to the number of employee apps wanted. (Appcelerator and IDC Developer Survey, Q2-2013)

14. 76% of businesses say mobile devices increased employee responsiveness and decision-making speed. (Cisco Systems, 2012)

15. The majority of workers use smartphones to read or view documents, spreadsheets, or presentations, but are much more likely to use tablets for editing activities. (Cisco Systems, 2012)

For much more on current mobile trends, download our free ebook, Join the Mobile App Revolution: 8 Steps to Building Mobile Apps in the Cloud, by clicking the button below.