The World Inequality Report 2026 makes for pretty grim reading, identifying as it does the range of massive inequalities that pattern the world.... on one level it won't tell you much you don't already suspect but is full of data for you to chew over.
In the end, the usual issues about the ultra-rich & tax, the role of gender disparities and the impact of (and on) climate change remain in the foreground, whatever the other (interesting) detail!