Inflation Record$100 in 2021 → 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)
$123.65
+23.7% cumulative inflation · 2021–2026
Your $100 in 2021 would have the purchasing power of $123.65 in Australia today.
What this means
- Purchasing power: $100 in 2021 had the same average buying power as $123.65 in 2026.
- Price level change: the overall consumer price level rose by 23.7% across this 5-year span; the purchasing power of a dollar changed by -19.1%.
- 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 2021 | Worth in 2026 |
|---|---|
| $1 | $1.24 |
| $5 | $6.18 |
| $10 | $12.37 |
| $20 | $24.73 |
| $50 | $61.83 |
| $100 | $123.65 |
| $500 | $618.26 |
| $1,000 | $1,236.52 |
| $10,000 | $12,365.19 |
| $100,000 | $123,651.88 |
Key facts about 2021
- Consumer prices rose 2.9% in 2021 — the 47th-largest annual increase in the 1949–2026 record.
- 2021 is in the quarterly-CPI era: its annual average is the mean of the year's four quarterly indexes.
- Since 2021, the overall price level has multiplied about 1.2× — $1.00 in 2021 buys what $1.24 buys in 2026.
$100 in 2021, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 2026 | $123.65 | +23.7% |
Quarterly CPI in 2021
| Period | Index | Change vs same period, prior year |
|---|---|---|
| Q1 | 117.9 | 1.1% |
| Q2 | 118.8 | 3.8% |
| Q3 | 119.7 | 3.0% |
| Q4 | 121.3 | 3.5% |
Annual average for 2021: 119.425
Verify this calculation
Series: All groups CPI, weighted average of eight capital cities (6401.0); base 2011-12=100; not seasonally adjusted.
Index (2021 annual average): 119.425 · Index (2026 annual average): 147.671 · Ratio: 1.2365
Formula: amount × (indexend / indexstart). Formula v1.0 — annual-average CPI, NSA (per-country basis on each methodology page). Source: Australian Bureau of Statistics.