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I was reading a post on Reddit which had some interesting statistics about Android OS versions and the speed (or tardiness really) of updating to the latest OS versions.

Of course the post is focused on individual phones, so it becomes difficult to get a sense of how many people are using the latest version of Android. So I decided, as I do, to check my own app for how version distributions have changed over the last four months. Here is a side by side comparison of the charts (the sample sizes are around 2500 users in both sets):

Of course – this doesn’t tell the full story either. It isn’t clear whether the shifts are due to software upgrades on the same phones, or whether users have just got new phones – or whether they are completely different users, but it paints a picture.

Something else to keep in mind when looking at this, is that my app is geographically biased towards London. So it isn’t representative of Android OS distribution across the world, or even Europe, it is very centred on London.

Here is the same data represented as a bar chart – just for a different perspective: