Inflation Record$100 in 1999 → Today (Australia)
Official data verified · CPI (ABS) · Annual average · Not seasonally adjusted · Data through September 2026 (fetched 2026-11-02) · All groups CPI, weighted average of eight capital cities (6401.0)
$215.81
+115.8% cumulative inflation · 1999–2026
Your $100 in 1999 would have the purchasing power of $215.81 in Australia today.
What this means
- Purchasing power: $100 in 1999 had the same average buying power as $215.81 in 2026.
- Price level change: the overall consumer price level rose by 115.8% across this 27-year span; the purchasing power of a dollar changed by -53.7%.
- This measures the broad basket of consumer goods and services (CPI (ABS)). Individual expenses moved at different rates.
What this means in other amounts
| In 1999 | Worth in 2026 |
|---|---|
| $1 | $2.16 |
| $5 | $10.79 |
| $10 | $21.58 |
| $20 | $43.16 |
| $50 | $107.91 |
| $100 | $215.81 |
| $500 | $1,079.07 |
| $1,000 | $2,158.15 |
| $10,000 | $21,581.48 |
| $100,000 | $215,814.77 |
Key facts about 1999
- Consumer prices rose 1.5% in 1999 — the 69th-largest annual increase in the 1949–2026 record.
- 1999 is in the quarterly-CPI era: its annual average is the mean of the year's four quarterly indexes.
- In the decade after 1999, prices rose 36.5% in total.
$100 in 1999, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 2009 | $136.46 | +36.5% |
| 2019 | $168.25 | +68.2% |
| 2026 | $215.81 | +115.8% |
Quarterly CPI in 1999
| Period | Index | Change vs same period, prior year |
|---|---|---|
| Q1 | 67.8 | 1.2% |
| Q2 | 68.1 | 1.0% |
| Q3 | 68.7 | 1.8% |
| Q4 | 69.1 | 1.9% |
Annual average for 1999: 68.425
Verify this calculation
Series: All groups CPI, weighted average of eight capital cities (6401.0); base 2011-12=100; not seasonally adjusted.
Index (1999 annual average): 68.425 · Index (2026 annual average): 147.671 · Ratio: 2.1581
Formula: amount × (indexend / indexstart). Formula v1.0 — annual-average CPI, NSA (per-country basis on each methodology page). Source: Australian Bureau of Statistics.