Income inequality has been a growing concern since Global Financial Crisis. But how do regional institutions contribute to the debate on income equality? ASEAN’s normative framework is underpinned by the principle of non-interference while ASEAN has a mandate to establish an equitable economic community post 2015. This study examines if regional income inequality is considered a regional problem, and if so, is the concern significant enough to overcome the principle of non-interference allowing ASEAN to play a greater role in policy formation. ...