The annual curl user poll was up 11 days from May 16 to and including May 27th, and it has taken me a while to summarize and put together everything into a single 21 page document with all the numbers and plenty of graphs.
Full 2016 survey analysis document
The conclusion I’ve drawn from it: “We’re not done yet”.
Here’s a bonus graph from the report, showing what TLS backends people are using with curl in 2016 and 2015: