According to IDC the Worldwide Smartphone Market in 2015:<p><pre><code>  Android       ...  81.2%
  iOS           ...  15.8%
  Windows Phone ...   2.2%
  Others        ...   0.8%
</code></pre>
Worldwide Smartphone Forecast by OS for 2019:<p><pre><code>  Android       ...  82.6%
  iOS           ...  14.1%
  Windows Phone ...   2.3%
  Others        ...   0.9%
</code></pre>
Source: <a href="http:&#x2F;&#x2F;www.idc.com&#x2F;getdoc.jsp?containerId=prUS40664915" rel="nofollow">http:&#x2F;&#x2F;www.idc.com&#x2F;getdoc.jsp?containerId=prUS40664915</a><p>@downvoter: it&#x27;s a forcast by the well known IDC, also the current market share (2015) is interesting on its own