Inflation Record$100 in 2018 → 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)
$130.34
+30.3% cumulative inflation · 2018–2026
Your $100 in 2018 would have the purchasing power of $130.34 in Australia today.
What this means
- Purchasing power: $100 in 2018 had the same average buying power as $130.34 in 2026.
- Price level change: the overall consumer price level rose by 30.3% across this 8-year span; the purchasing power of a dollar changed by -23.3%.
- 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 2018 | Worth in 2026 |
|---|---|
| $1 | $1.30 |
| $5 | $6.52 |
| $10 | $13.03 |
| $20 | $26.07 |
| $50 | $65.17 |
| $100 | $130.34 |
| $500 | $651.68 |
| $1,000 | $1,303.37 |
| $10,000 | $13,033.65 |
| $100,000 | $130,336.50 |
Key facts about 2018
- Consumer prices rose 1.9% in 2018 — the 61st-largest annual increase in the 1949–2026 record.
- 2018 is in the quarterly-CPI era: its annual average is the mean of the year's four quarterly indexes.
- Since 2018, the overall price level has multiplied about 1.3× — $1.00 in 2018 buys what $1.30 buys in 2026.
$100 in 2018, decade by decade
| Year | Worth | Cumulative price change |
|---|---|---|
| 2026 | $130.34 | +30.3% |
Quarterly CPI in 2018
| Period | Index | Change vs same period, prior year |
|---|---|---|
| Q1 | 112.6 | 1.9% |
| Q2 | 113.0 | 2.1% |
| Q3 | 113.5 | 1.9% |
| Q4 | 114.1 | 1.8% |
Annual average for 2018: 113.300
Verify this calculation
Series: All groups CPI, weighted average of eight capital cities (6401.0); base 2011-12=100; not seasonally adjusted.
Index (2018 annual average): 113.300 · Index (2026 annual average): 147.671 · Ratio: 1.3034
Formula: amount × (indexend / indexstart). Formula v1.0 — annual-average CPI, NSA (per-country basis on each methodology page). Source: Australian Bureau of Statistics.