2027–28 Tax Year
プレビューLegislated tax rates for 2027–28 including the further reduction to 14% in the second bracket and the new Working Australians Tax Offset.
法制化された変更
Personal Income Tax (Legislated)
- Second marginal rate further reduced from 15% to 14% on income between $18,201 and $45,000
- All other tax brackets and thresholds unchanged
- Working Australians Tax Offset (WATO): up to $250 (legislated, subject to final confirmation)
Medicare Levy
- Rate remains 2%
- Low-income thresholds expected to be indexed (ATO to confirm mid-2027)
Medicare Levy Surcharge
- Thresholds expected to be indexed (ATO to confirm mid-2027)
- Tier structure (0%, 1%, 1.25%, 1.5%) unchanged
HELP/HECS Repayment
- Thresholds expected to be indexed (ATO to confirm mid-2027)
- Marginal rate system continues from 2025–26
居住者所得税率
| 課税所得 | 税額 |
|---|---|
| $0 – $18,200 | Nil |
| $18,200 – $45,000 | 14.000000000000002c for each $1 over $18,200 |
| $45,000 – $135,000 | 30c for each $1 over $45,000 |
| $135,000 – $190,000 | 37c for each $1 over $135,000 |
| $190,000+ | 45c for each $1 over $190,000 |
上記の税率には 2% の Medicare levy は含まれていません。 税率は法制化されていますが、ATO による年度全体の確認待ちです。
HELP/HECS 返済しきい値
| 返済所得 | 返済額 |
|---|---|
| $0 – $69,528 | Nil |
| $69,528 – $129,717 | $0 + 15c per $1 over $69,528 |
| $129,717 – $186,050 | $9,028 + 17c per $1 over $129,717 |
| $186,050+ | 10% of total repayment income |
2025–26 年度より、HELP 返済は限界税率方式で計算されます。返済所得 = 課税所得 + 報告可能な fringe benefits + 純投資損失 + 報告可能な年金拠出金 + 国外免除就労所得。
Medicare 追加税(MLS)しきい値
| 区分 | 税率 | 独身 | 家族 |
|---|---|---|---|
| Base | 0% | $0 – $105,000 | $0 – $210,000 |
| Tier 1 | 1% | $105,000 – $123,000 | $210,000 – $246,000 |
| Tier 2 | 1.25% | $123,000 – $164,000 | $246,000 – $328,000 |
| Tier 3 | 1.5% | $164,000+ | $328,000+ |
家族しきい値は、最初の子以降の扶養家族 1 人につき $1,500 ずつ増加します。MLS は適切な民間病院保険がない場合にのみ適用されます。
情報源:オーストラリア税務署(ATO)および財務省法規。すべての数値は情報提供のみを目的としており、財務アドバイスを構成するものではありません。最終更新:2026 年 7 月。最新の税率については ATO ウェブサイトをご確認ください。