Citigroup Capital XVIII

Filed: 7 May 21, 4:03pm

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

The Board of Directors

Citigroup Inc.:

We consent to the use of our report dated February 26, 2021 with respect to the consolidated balance sheets of Citigroup Inc. and subsidiaries (“Citigroup”) as of December 31, 2020 and 2019, and the related consolidated statements of income, comprehensive income, stockholders’ equity, and cash flows for each of the years in the three-year period ended December 31, 2020, and the related notes, and the effectiveness of internal control over financial reporting as of December 31, 2020, incorporated herein by reference and to the reference to our firm under the heading “Experts” in the registration statement on Form S-3 of Citigroup Inc. and Citigroup Global Markets Holdings Inc. Our report refers to a change in the method of accounting for the recognition and measurement of credit losses as of January 1, 2020 due to the adoption of ASC Topic 326, Financial Instruments – Credit Losses.


New York, New York

May 7, 2021