This data article is a follow up to the cross-national data on the environmental affection and cognition of adolescent students of varying levels of interest in ecosystem services and sustainability . The data is being provided as a pooled cross-sectional panel of the 2015  and 2018  publicly released student questionnaire data files from the Programme for International Student assessment (PISA). The 2015 cross-section was used in the studies “Interest in the biosphere and students’ environmental awareness and optimism: A global perspective”  and “Scientific media dieting and students’ awareness and expectations about the environmental issues of deforestation and species extinction in the Middle East and North America: An integrated cross cultural ecologic-economic analysis” . The present article presents key information and indicators on the world youth population before and after United Nations (UN) country members’ adoption of the 2030 Agenda for sustainable development in 2015. In doing so, it provides about a five year window of facts and figures, which can be used by researchers and policy makers to evaluate the effectiveness of early stage implementation of SDGs strategies in relation to youth education, access to information and communication technologies (ICT), and well-being worldwide. The presented data covers 409747 youth respondents distributed across 46 countries, 199511 of the respondents are from the 2015 cross-section, and the remaining 210236 from the 2018 cross-section. The data is further supplemented with spatial metadata containing the geographical coordinates of each of the covered 46 countries, which can be used for spatial Analysis and econometric modeling as illustrated in the present data article.