Company: MMT
Filing Date: 2025-06-25
Form Type: N-CSRS
Source: 0001683863-25-005367
Chunk: 1

Company: MFS MULTIMARKET INCOME TRUST
Filing Date: 2025-06-25
Form: N-CSRS
Chunk 1
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 for federal income tax purposes. Please refer to “Tax Matters and Distributions” under Note 2 of the Notes to Financial Statements for information regarding the
tax character of the fund’s distributions.

Under a managed distribution policy
the fund may at times distribute more than its net investment income and net realized capital gains; therefore, a portion of your distribution may result in a return of capital. A return of capital may occur, for
example, when some or all of the money that you invested in the fund is paid back to you. Any such returns of capital will decrease the fund’s total assets and, therefore, could have the effect of increasing the
fund’s expense ratio. In addition, in order to make the level of distributions called for under its managed distribution policy, the fund may have to sell portfolio securities at a less than opportune time. A
return of capital does not necessarily reflect the fund’s investment performance and should not be confused with ‘yield’ or ‘income’. The fund’s total return in relation to changes
in net asset value is presented in the Financial Highlights.

MFS ®Multimarket
Income Trust

New York Stock Exchange Symbol: MMT

| Portfolio composition                                   |  1 |
| Portfolio managers’ profiles                            |  4 |
| Other notes                                             |  5 |
| Portfolio of investments                                |  6 |
| Statement of assets and liabilities                     | 40 |
| Statement of operations                                 | 42 |
| Statements of changes in net assets                     | 44 |
| Statement of cash flows                                 | 45 |
| Financial highlights                                    | 46 |
| Notes to financial statements                           | 48 |
| Report of independent registered public accounting firm | 63 |
| Proxy voting policies and information                   | 64 |
| Quarterly portfolio disclosure                          | 64 |
| Further information                                     | 64 |
| Information about fund contracts and legal claims       | 64 |

| Contact information | back cover |

NOT FDIC INSURED • MAY LOSE VALUE • NO BANK GUARANTEE

Portfolio Composition Portfolio structure at value (v) Portfolio structure reflecting equivalent exposure of derivative positions (i)

Fixed income sectors (i)

| High Yield Corporates                  | 58.8%  |
| Investment Grade Corporates            | 37.7%  |
| Emerging Markets Bonds                 | 20.3%  |
| Commercial Mortgage-Backed Securities  | 1.5%   |
| Collateralized Loan Obligations        | 1.