The income thresholds for Medicare levy surcharge increases from 1 July 2023
| Threshold | Base tier | Tier 1 | Tier 2 | Tier 3 | 
| Single threshold | $93,000 or less | $93,001 – $108,000 | $108,001 – $144,000 | $144,001 or more | 
| Family threshold | $186,000 or less | $186,001 – $216,000 | $216,001 – $288,000 | $288,001 or more | 
| Medicare levy surcharge | 0% | 1% | 1.25% | 1.5% | 
The family income threshold is increased by $1,500 for each MLS dependent child after the first child.