Most of those statistics are useless without knowing the effect they have on the world. Knowing how much concrete is produced doesn't mean much until you multiply it by the amount if CO2 released per kg. Total steel production tells you little about which steels are produced, what uses various types have, and how elastic the supply and demand are for each. How much cereal people eat doesn't matter unless you consider who buys it and what effects it has on people's health. Energy use per person needs to be contextualized with how that use differs across the globe, how much energy goes into the goods those people consume, and why those differences exist.
Understanding the economy requires more than just knowledge. You need the wisdom to know what that information actually means.
When you're married with kids, but still youthful at heart