Verisign reported domain stats for the first quarter of 2016. The report not only breaks down .com and .net but cctld’s and new gtld’s.
com and .net Breakdown
The .com and .net TLDs experienced aggregate growth, reaching a combined total of approximately 142.5 million domain names in the domain name base in the first quarter of 2016.  In the first quarter of 2016, Verisign processed 10 million new domain name registrations for .com and .net, as compared to 8.7 million domain names for the same period in 2015.
In the first quarter of 2016, the top 10 TLDs in order by zone size were:
They also included a new gtld breakdown:
Here is an infographic that details all the data that you can use on your website for domain data.