Inflation Record$100 in 1951 → 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)
$2,826.24
+2726.2% cumulative inflation · 1951–2026
Your $100 in 1951 would have the purchasing power of $2,826.24 in Australia today.
What this means
- Purchasing power: $100 in 1951 had the same average buying power as $2,826.24 in 2026.
- Price level change: the overall consumer price level rose by 2726.2% across this 75-year span; the purchasing power of a dollar changed by -96.5%.
- 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 1951 | Worth in 2026 |
|---|---|
| $1 | $28.26 |
| $5 | $141.31 |
| $10 | $282.62 |
| $20 | $565.25 |
| $50 | $1,413.12 |
| $100 | $2,826.24 |
| $500 | $14,131.22 |
| $1,000 | $28,262.44 |
| $10,000 | $282,624.42 |
| $100,000 | $2,826,244.17 |
Key facts about 1951
- Consumer prices rose 19.4% in 1951 — the 1st-largest annual increase in the 1949–2026 record.
- 1951 is in the quarterly-CPI era: its annual average is the mean of the year's four quarterly indexes.
- In the decade after 1951, prices rose 49.8% in total.
$100 in 1951, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 1961 | $149.76 | +49.8% |
| 1971 | $198.56 | +98.6% |
| 1981 | $552.15 | +452.2% |
| 1991 | $1,134.45 | +1034.4% |
| 2001 | $1,428.23 | +1328.2% |
| 2011 | $1,900.00 | +1800.0% |
| 2021 | $2,285.65 | +2185.6% |
| 2026 | $2,826.24 | +2726.2% |
Quarterly CPI in 1951
| Period | Index | Change vs same period, prior year |
|---|---|---|
| Q1 | 4.8 | 14.3% |
| Q2 | 5.1 | 18.6% |
| Q3 | 5.3 | 20.5% |
| Q4 | 5.7 | 23.9% |
Annual average for 1951: 5.225
Verify this calculation
Series: All groups CPI, weighted average of eight capital cities (6401.0); base 2011-12=100; not seasonally adjusted.
Index (1951 annual average): 5.225 · Index (2026 annual average): 147.671 · Ratio: 28.2624
Formula: amount × (indexend / indexstart). Formula v1.0 — annual-average CPI, NSA (per-country basis on each methodology page). Source: Australian Bureau of Statistics.