FILE NO. IDX-001 · STORIES2026-10-21
I · Stories / Data stories

Reading the numbers

Live counters grab attention, but content earns its value by explaining how the numbers should be read. The stories below walk through official sources, differences in definition, the interpolation formula, and country-by-country institutional context — all from the reader's point of view.

II · STORY INDEX

GLOBAL · 7 min

Published · Last reviewed

Demographic Aging and Unfunded Pension Liabilities: The Hidden Sovereign Debt Fuse

Behind cash-basis national debt (D1) statistics lies an implicit pension liability exceeding 1,200 trillion won. An exhaustive analysis of demographic inversions, the US $70 trillion unfunded entitlement gap, and the systemic market shock of pension funds turning into net bond sellers.

GLOBAL · 6 min

Published · Last reviewed

Does Inflation Really Melt Away National Debt?

Behind the myth that rising prices harmlessly dissolve public debt. The arithmetic of debt dynamics, debt rollover traps, and the hidden inflation tax on citizens.

KOREA · 5 min

Published · Last reviewed

Confuse D1, D2 and D3, and you will misread Korea's national debt

A practical guide to the three measures of Korea's fiscal debt, organised around how each is actually used, and an explanation of why you cannot line them up as if they were the same ratio when you compare countries.

GLOBAL · 5 min

Published · Last reviewed

The weight of interest — what tightens the budget before the debt does

A debt clock headlines the outstanding principal, but what actually tightens the public finances is the interest that has to be paid every year. This is what interest cost is, why it grows, and where in the budget you should read it.

KOREA · 6 min

Published · Last reviewed

How to read "national debt per person" the right way

The one-line figure "national debt per citizen" comes from a single division. This guide explains how it is built, why the number swells or shrinks when you change the denominator, and why it is a mistake to read it as "my personal debt."

GLOBAL · 5 min

Published · Last reviewed

Making a trillion tangible: how to convert debt into human scale

Figures in the trillions convey nothing by themselves. Using three rulers — time, the thickness of banknotes, and household scale — this piece re-measures very large numbers, and sets out the conditions under which conversion aids understanding rather than misreading.

KOREA · 5 min

Published · Last reviewed

Thirty years of Korea's national debt — a staircase built by crises

The Asian financial crisis of 1997, the global financial crisis of 2008, the pandemic of 2020: each pushed Korea's national debt up one step, and in the calm years that followed, the ratio never came back down. A reading of three decades as a staircase.

GLOBAL · 5 min

Published · Last reviewed

Does the national debt ever have to be paid back?

Starting from the rollover machinery that refinances maturing bonds, this piece answers the question head-on: why net repayment is historically rare, why that is no licence to borrow without limit, and what the famous 60% and 90% thresholds really are.