Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report on Form 10-K of Nuveen Global Cities REIT, Inc. (the “Company”) for the period ended December 31, 2019 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Michael J.L. Sales, Chief Executive Officer and Chairman of the Board of the Company, and I, James E. Sinople, Chief Financial Officer and Treasurer of the Company, each certify, pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that:

(a) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b) The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.

Date: March 30, 2020	By:	/s/ Mike J.L. Sales
		Mike J. L. Sales
		Chief Executive Officer and Chairman of the Board
	By:	/s/ James E. Sinople
		James E. Sinople
		Chief Financial Officer and Treasurer