    <SEC-DOCUMENT>0001141391-21-000100-index.html : 20210429
    <SEC-HEADER>0001141391-21-000100.hdr.sgml : 20210429
    <ACCEPTANCE-DATETIME>20210429162543
    ACCESSION NUMBER:		0001141391-21-000100
    CONFORMED SUBMISSION TYPE:	DEFA14A
    PUBLIC DOCUMENT COUNT:		4
    FILED AS OF DATE:		20210429
    DATE AS OF CHANGE:		20210429

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Mastercard Inc
    		CENTRAL INDEX KEY:			0001141391
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
    		IRS NUMBER:				134172551
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEFA14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-32877
    		FILM NUMBER:		21871066

    	BUSINESS ADDRESS:
    		STREET 1:		2000 PURCHASE STREET
    		CITY:			PURCHASE
    		STATE:			NY
    		ZIP:			10577
    		BUSINESS PHONE:		9142492000

    	MAIL ADDRESS:
    		STREET 1:		2000 PURCHASE STREET
    		CITY:			PURCHASE
    		STATE:			NY
    		ZIP:			10577

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MASTERCARD INC
    		DATE OF NAME CHANGE:	20010525
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEFA14A
    <SEQUENCE>1
    <FILENAME>mastercard2021proxystateme.htm
    <DESCRIPTION>DEFA14A
    <TEXT>
    Document 1 - file: mastercard2021proxystateme.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>mclogoa011.jpg
    <TEXT>
    Document 2 - file: mclogoa011.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>na11.jpg
    <TEXT>
    Document 3 - file: na11.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>na21.jpg
    <TEXT>
    Document 4 - file: na21.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>