Source: https://insights.stackoverflow.com/survey/2018/#technology-frameworks-libraries-and-tools
Interesting. I wish they had split out AngularJS (1.x) from Angular (2+).
Node.js 49.9% Angular 37.6% React 28.3% .NET Core 27.2% Spring 17.8% Django 12.8% Cordova 8.6% TensorFlow 7.6% Xamarin 7.4% Spark 4.8% Hadoop 4.7% Torch/PyTorch 1.6%