Only 30% of Netflix streaming content is captioned. That's about 3500 TV episodes and movies. And even these can be viewed on only a limited number of devices. Netflix says that percentage should rise to 80% by the end of the summer. However, some critics say the portion of the Netflix library is much smaller than the company claims and that the rate at which Netflix is going, it will be years before the project is complete. You can see the results of one tally
here.