A set of all-purpose and globally applicable standard indicators that could comprehensively measure adaptation does not exist  . A wide variety of indicators have been used to assess adaptation and its results . Literature has also noted unrealistic expectations of what indicators can accomplish. For instance, decisions involving competing political interests would not be adequately informed through simple indicators; and learning requires knowledge of how and why change has happened, something that indicators often do not capture . Indicators can also become misguided incentives and might steer attention away from what matters . Surveys, scorecards, interviews and focus groups are alternative methods of gaining insights on adaptation progress .
IPCC
Climate Change 2022: Impacts, Adaptation and Vulnerability
IPCC Report