The iOS/Android debate often devolves into a basic analysis of market share. This makes sense given that market share analytics provide a simple and easy-to-digest manner with which to compare the two competing platforms.
But market share only tells one part of the story. In detailing the strength and popularity of each platform, there are a number of other metrics to consider. One such metric is the ability to run updated versions of an OS on older hardware models. In this regard, iOS runs circles around Android.
The following chart was put together by Fidlee and demonstrates how iOS continues to support iPhone models that were released a number of years ago. In stark contrast, many current Android devices ship with iterations of Android that, at the time of sale, were already a generation behind