The phrase "available evidence" refers to all the information or proof that is currently accessible and can be used to support or contradict an idea or claim. Full definition
An analysis of available evidence about effective high school dropout prevention programs and practices. (chalkboardproject.org)
The best available evidence suggests that funding political campaigns with public dollars does little to reduce special interest influence, encourage competitive races or boost political participation. (ij.org)
But the best available evidence suggests that those issues are, if anything, more widespread in the public sector. (educationnext.org)