Inflation Record$100 in 2011 → 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)
$148.75
+48.7% cumulative inflation · 2011–2026
Your $100 in 2011 would have the purchasing power of $148.75 in Australia today.
What this means
- Purchasing power: $100 in 2011 had the same average buying power as $148.75 in 2026.
- Price level change: the overall consumer price level rose by 48.7% across this 15-year span; the purchasing power of a dollar changed by -32.8%.
- 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 2011 | Worth in 2026 |
|---|---|
| $1 | $1.49 |
| $5 | $7.44 |
| $10 | $14.87 |
| $20 | $29.75 |
| $50 | $74.37 |
| $100 | $148.75 |
| $500 | $743.75 |
| $1,000 | $1,487.50 |
| $10,000 | $14,874.97 |
| $100,000 | $148,749.69 |
Key facts about 2011
- Consumer prices rose 3.3% in 2011 — the 38th-largest annual increase in the 1949–2026 record.
- 2011 is in the quarterly-CPI era: its annual average is the mean of the year's four quarterly indexes.
- In the decade after 2011, prices rose 20.3% in total.
$100 in 2011, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 2021 | $120.30 | +20.3% |
| 2026 | $148.75 | +48.7% |
Quarterly CPI in 2011
| Period | Index | Change vs same period, prior year |
|---|---|---|
| Q1 | 98.3 | 3.3% |
| Q2 | 99.2 | 3.5% |
| Q3 | 99.8 | 3.4% |
| Q4 | 99.8 | 3.0% |
Annual average for 2011: 99.275
Verify this calculation
Series: All groups CPI, weighted average of eight capital cities (6401.0); base 2011-12=100; not seasonally adjusted.
Index (2011 annual average): 99.275 · Index (2026 annual average): 147.671 · Ratio: 1.4875
Formula: amount × (indexend / indexstart). Formula v1.0 — annual-average CPI, NSA (per-country basis on each methodology page). Source: Australian Bureau of Statistics.