Do you mean available (online) in "FamilySaerch"?
Or, do you mean available (online) elsewhere?
They are no longer on FamilySearch. I came here to see if I could find an answer to this as well. The 1940 census was still there a short time ago, but I can't find any of the other years.
There have been troubles viewing Census images. See this post thread for additional information: https://community.familysearch.org/s/question/0D53A00004q19F8SAI/why-is-permission-denied-when-trying-to-view-18601870-census
Thanks for that information. I never got the message that was mentioned, but the search engine wasn't working at all the last couple of days for 1870.
For me, there isn't even a link to view anything other than 1940. It's like they were all removed. I do get the page that shows you the family information, but it's very little information. I prefer to see the actual census page, since the index isn't very good at all!