Inflation Record
$100 in 1990 → 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)
$257.04
+157.0% cumulative inflation · 1990–2026
Your $100 in 1990 would have the purchasing power of $257.04 in Australia today.
What this means
- Purchasing power: $100 in 1990 had the same average buying power as $257.04 in 2026.
- Price level change: the overall consumer price level rose by 157.0% across this 36-year span; the purchasing power of a dollar changed by -61.1%.
- 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 1990 | Worth in 2026 |
|---|---|
| $1 | $2.57 |
| $5 | $12.85 |
| $10 | $25.70 |
| $20 | $51.41 |
| $50 | $128.52 |
| $100 | $257.04 |
| $500 | $1,285.22 |
| $1,000 | $2,570.43 |
| $10,000 | $25,704.31 |
| $100,000 | $257,043.09 |
Key facts about 1990
- Consumer prices rose 7.3% in 1990 — the 18th-largest annual increase in the 1949–2026 record.
- 1990 is in the quarterly-CPI era: its annual average is the mean of the year's four quarterly indexes.
- In the decade after 1990, prices rose 24.4% in total.
$100 in 1990, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 2000 | $124.41 | +24.4% |
| 2010 | $167.28 | +67.3% |
| 2020 | $202.09 | +102.1% |
| 2026 | $257.04 | +157.0% |
Quarterly CPI in 1990
| Period | Index | Change vs same period, prior year |
|---|---|---|
| Q1 | 56.2 | 8.7% |
| Q2 | 57.1 | 7.7% |
| Q3 | 57.5 | 6.1% |
| Q4 | 59.0 | 6.9% |
Annual average for 1990: 57.450
Verify this calculation
Series: All groups CPI, weighted average of eight capital cities (6401.0); base 2011-12=100; not seasonally adjusted.
Index (1990 annual average): 57.450 · Index (2026 annual average): 147.671 · Ratio: 2.5704
Formula: amount × (indexend / indexstart). Formula v1.0 — annual-average CPI, NSA (per-country basis on each methodology page). Source: Australian Bureau of Statistics.