Inflation Record$100 in 1991 → 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)
$249.13
+149.1% cumulative inflation · 1991–2026
Your $100 in 1991 would have the purchasing power of $249.13 in Australia today.
What this means
- Purchasing power: $100 in 1991 had the same average buying power as $249.13 in 2026.
- Price level change: the overall consumer price level rose by 149.1% across this 35-year span; the purchasing power of a dollar changed by -59.9%.
- 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 1991 | Worth in 2026 |
|---|---|
| $1 | $2.49 |
| $5 | $12.46 |
| $10 | $24.91 |
| $20 | $49.83 |
| $50 | $124.56 |
| $100 | $249.13 |
| $500 | $1,245.65 |
| $1,000 | $2,491.29 |
| $10,000 | $24,912.91 |
| $100,000 | $249,129.07 |
Key facts about 1991
- Consumer prices rose 3.2% in 1991 — the 41st-largest annual increase in the 1949–2026 record.
- 1991 is in the quarterly-CPI era: its annual average is the mean of the year's four quarterly indexes.
- In the decade after 1991, prices rose 25.9% in total.
$100 in 1991, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 2001 | $125.90 | +25.9% |
| 2011 | $167.48 | +67.5% |
| 2021 | $201.48 | +101.5% |
| 2026 | $249.13 | +149.1% |
Quarterly CPI in 1991
| Period | Index | Change vs same period, prior year |
|---|---|---|
| Q1 | 58.9 | 4.8% |
| Q2 | 59.0 | 3.3% |
| Q3 | 59.3 | 3.1% |
| Q4 | 59.9 | 1.5% |
Annual average for 1991: 59.275
Verify this calculation
Series: All groups CPI, weighted average of eight capital cities (6401.0); base 2011-12=100; not seasonally adjusted.
Index (1991 annual average): 59.275 · Index (2026 annual average): 147.671 · Ratio: 2.4913
Formula: amount × (indexend / indexstart). Formula v1.0 — annual-average CPI, NSA (per-country basis on each methodology page). Source: Australian Bureau of Statistics.