OrbisLens
Reading the data
Understand which questions a number answers and which it does not.
- What GDP per capita can and cannot tell you
Distinguish current-dollar GDP per capita from income, purchasing power and real growth when comparing countries.
- Why fertility, population growth and median age differ
Read population indicators together while distinguishing size, change, age structure and mortality.
- How to read country comparisons, rankings and Radar
Understand common periods, raw differences, ranks and percentiles without treating them as an overall score.