Human capital (Humankapital)
Human capital is the present value of all future net earnings a person can generate. For most people under roughly 50, it dwarfs their financial wealth. Skills, health, language ability, and credentials are its components, and — like any asset — it can be invested in, it depreciates, and it carries risk.
Why it matters
The biggest asset most households own never appears on a bank statement or a Vermögensübersicht (net-worth summary) — it lives in a person's ability to keep earning. Treating it as an asset reframes decisions that otherwise look like pure cost: a language course, a professional certification, a job change, or a Berufsunfähigkeitsversicherung (disability insurance) policy against income loss. Each of these either protects or grows the earnings stream that the rest of a household's finances is built on.
Worked example
A rough, explicitly simplified illustration. Someone with 30 remaining working years and €2,500/month in net income has a future earnings stream of €2,500 x 12 x 30 = €900,000 before any discounting — the undiscounted sum of every paycheck still to come.
Discounting brings that number back to today's euros. At an illustrative 5% annual discount rate, the present value of the same 30-year stream comes out to roughly €460,000 — about half the undiscounted total. That gap is discounting doing its job: a euro arriving in year 29 is worth far less today than a euro arriving next year, because money received sooner could otherwise be earning a return in the meantime, and the far-off years get divided by a much larger factor than the near ones. Even after that haircut, €460,000 is still well above what a typical household in the same age bracket holds in savings or checking accounts — which is the point of treating human capital as an asset in its own right, not an afterthought to the numbers on a bank statement.
This is a rough illustration, not a formula to apply to any specific income or career. Actual present-value math needs a real discount rate, a realistic earnings trajectory (raises, career breaks, retirement age), and adjustments for taxes and inflation — refinements this simplified version skips on purpose.
Check yourself
Which of the following best defines a person's human capital?
A 42-year-old expects to work 18 more years, earning €3,000/month in net income. Ignoring discounting, what is the rough undiscounted total of these future earnings, in euros?
Person A is 25, earns €2,200/month net, and has about 40 working years ahead. Person B is 60, earns €2,200/month net, and has about 5 working years ahead but large savings. All else equal, whose human capital is larger?
Which of the following would tend to reduce a person's human capital, other things equal? Select all that apply.