Below are links to indices you can consult. You don’t have to use all of them, and you can use other objective indicators you may identify.
Indices of Human Development or Well-Being
The United Nations Human Development Index (HDI): A composite indicator of overall health and well-being. It combines measures of health, education, and income. *See the important note on HDI operation at the bottom of the page.
http://hdr.undp.org/en/composite/HDI
The fragile State Index Uses multiple indicators to assess nations’ likelihood of government collapse and civil unrest.
https://fragilestatesindex.org/global-data/
Social Progress Index: Combines 50 social and environmental outcome indicators to calculate an overall score for these countries including measures in health, safety, education, technology, and rights.
http://www.socialprogressindex.com/
Corruption Index: Presents data on perceived levels of public sector corruption.
https://images.transparencycdn.org/images/2018_CPI_Executive_Summary.pdf
Where to be born Index: Measures which country will provide the best opportunities for a healthy, safe and prosperous life in the years ahead based on life-satisfaction surveys — how happy people say they are.
http://chartsbin.com/view/32002
Happy Planet Index: Presents measures of sustainable well-being, ranking countries by how efficiently they deliver long, happy lives using our limited environmental resources.
Gender Equality: Ranks national economies according to how well they are leveraging their female talent pool, based on economic, educational, health-based, and political indicators.
http://reports.weforum.org/global-gender-gap-report-2015/
Comparator Tool: Provides a one-to-one comparison between your two selected countries based on socioeconomic data often expressed as your likelihood to experience positive or negative experiences.
http://www.ifitweremyhome.com/compare/NO/UY
Population Pyramid: Provides the necessary data to assess the demographics of your selected countries 50 years into the future.