その他サービス/GoogleAnalytics/性別年代取得

analytics.jsの場合

ga('require', 'displayfeatures');を追加する

<script>
 (function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
 (i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
 m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
 })(window,document,'script','//www.google-analytics.com/analytics.js','ga');
 ga('create', 'UA-XXXXXX-XX', 'example.com');
 ga('require', 'displayfeatures');
 ga('send', 'pageview');
 </script>

参考
https://support.google.com/analytics/answer/2444872?hl=ja&utm_id=ad#trackingcode