<p>According to <a href="https://taginfo.openstreetmap.org/keys/ref#combinations">https://taginfo.openstreetmap.org/keys/ref#combinations</a>, only 50% (or 4M in absolute) of objects with <code>ref</code> are also tagged with <code>name</code> (<code>name</code> in turn is used 50M times).</p>

<p>// cc <a href="https://github.com/bigbug21" class="user-mention">@bigbug21</a></p>

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