Sort by New Popular Ratings products Magento 2

How to add sorting options in Magento 2 on product listing and search results pages,

Here is a great extension to do it - http://www.magento2plugins.com/sort-by-new-popular-ratings-extension-for-magento2.html

Adds sorting options worth customers' interest. Allows easy controls in backend to enable/disable/set default sorting options.

Sort by New Popular and Ratings of products

This extension works as a plugin in Magento 2 software. It adds following product sorting options on Magento 2 products listing pages - new products, popular (best selling) products, most reviewed products, top rates products. It will be easier for the customers to see the new items at top and with the other options like sort by best selling and ratings will boost confidence of shopping. 
  • Implemented on Magento 2 plugins only
  • No control breaking configuration
  • 100% open source
  • Easy to enable/disable individual sorting option
  • Easy to manage different default sorting option for category pages