Individuals In 2021, a number of tax provisions are affected by inflation adjustments, including Health Savings Accounts, retirement contribution limits, and the foreign earned income exclusion. The tax rate structure, which ranges from 10 to 37 percent, remains similar to 2020; however, the tax-bracket thresholds increase for each filing status. Standard deductions also rise, and as a reminder, personal exemptions have been eliminated through tax year 2025.