iPhone users are about 26% of all smartphone users, claims Dediu. According to estimates, there are about 3.8 billion smartphones in the world. Dediu says that it estimated that there are about 1 billion iPhone users and the number has been rising. In the next five years, it has sold another billion. Thank you to everyone at Apple for helping change the world every day.” The first iPhone was launched in 2007 which means it took Apple nine years to clock one billion iPhones. We never set out to make the most, but we’ve always set out to make the best products that make a difference. Back then Apple CEO Tim Cook had said, “Last week we passed another major milestone when we sold the billionth iPhone. Partly this is because Apple stopped reporting unit shipments, but partly it’s because it’s not as interesting to talk about 2 billion as it is about 1 billion.” First billion in 9 years, second billion in 5 years It was in 2016 when Apple had actually issued a short press release announcing that it sold one billionth iPhone. Horace Dediu, an analyst with Asymco, said, “Unlike the 1 billionth, there was no announcement, no celebration. According to an analyst, Apple has sold 2 billion iPhones. Most people have an opinion on it and also if numbers are to be believed then a lot of people have purchased it also. It is perhaps one of the most recognisable products in the world.