diff --git a/README.md b/README.md
index 3200498b0cfaa..22db9cd061add 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 [![Build Status](https://travis-ci.org/Microsoft/TypeScript.svg?branch=master)](https://travis-ci.org/Microsoft/TypeScript)
 [![VSTS Build Status](https://typescript.visualstudio.com/_apis/public/build/definitions/cf7ac146-d525-443c-b23c-0d58337efebc/4/badge)](https://typescript.visualstudio.com/TypeScript/_build/index?context=allDefinitions&path=%5C&definitionId=4&_a=completed) 
 [![npm version](https://badge.fury.io/js/typescript.svg)](https://www.npmjs.com/package/typescript)
+[![install size](https://packagephobia.now.sh/badge?p=typescript)](https://packagephobia.now.sh/result?p=typescript)
 [![Downloads](https://img.shields.io/npm/dm/typescript.svg)](https://www.npmjs.com/package/typescript)
 
 # TypeScript