Supplement to the

Fidelity Managed Retirement 2020 Fund℠

Class Z6

September 29, 2023

Summary Prospectus

Effective on or about May 24, 2024, Class Z6, a class of shares of the fund, was consolidated into Class K6 shares of the fund.

R95-Z6-SUSTK-0524-100 1.9916480.100 May 30, 2024

Supplement to the

Fidelity Managed Retirement 2020 Fund℠

Class K6

September 29, 2023

Summary Prospectus

Effective on or about May 24, 2024, Class Z6, a class of shares of the fund, was consolidated into Class K6 shares of the fund.

R95-K6-SUSTK-0524-100 1.9916486.100 May 30, 2024