We forecast global smartphone users to increase 43% from 2017 to 2022. The smartphone penetration rate will continue to grow over the following years. North America and Western Europe will continue lead the pack with the highest smartphone penetration rate worldwide. This extensive report forecasts global smartphone user population penetration and household penetration rate for 88 countries worldwide, from 2007 to 2022. Almost every major country worldwide is covered, including United States, China, India, Indonesia, Japan, South Korea, Russia, Brazil, Mexico, South Africa, Saudi Arabia, UK, Germany, France, Italy and Spain. This report can be used by operators, software developers, content developers, handset vendors, component makers, car manufacturers and other stakeholders to determine the distribution of smartphone ownership across the huge global smartphone market.