    <SEC-DOCUMENT>0001193125-21-048489-index.html : 20210219
    <SEC-HEADER>0001193125-21-048489.hdr.sgml : 20210219
    <ACCEPTANCE-DATETIME>20210219085759
    ACCESSION NUMBER:		0001193125-21-048489
    CONFORMED SUBMISSION TYPE:	DEF 14A
    PUBLIC DOCUMENT COUNT:		7
    CONFORMED PERIOD OF REPORT:	20210309
    FILED AS OF DATE:		20210219
    DATE AS OF CHANGE:		20210219

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			COMSCORE, INC.
    		CENTRAL INDEX KEY:			0001158172
    		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-BUSINESS SERVICES, NEC [7389]
    		IRS NUMBER:				541955550
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		DEF 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-33520
    		FILM NUMBER:		21652162

    	BUSINESS ADDRESS:
    		STREET 1:		11950 DEMOCRACY DRIVE
    		STREET 2:		SUITE 600
    		CITY:			RESTON
    		STATE:			VA
    		ZIP:			20190
    		BUSINESS PHONE:		703-438-2000

    	MAIL ADDRESS:
    		STREET 1:		11950 DEMOCRACY DRIVE
    		STREET 2:		SUITE 600
    		CITY:			RESTON
    		STATE:			VA
    		ZIP:			20190

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	COMSCORE NETWORKS INC
    		DATE OF NAME CHANGE:	20010827
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>DEF 14A
    <SEQUENCE>1
    <FILENAME>d117982ddef14a.htm
    <DESCRIPTION>DEF 14A
    <TEXT>
    Document 1 - file: d117982ddef14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>g117982g12t78.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 2 - file: g117982g12t78.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>g117982g15k06.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 3 - file: g117982g15k06.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>g117982g20m11.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 4 - file: g117982g20m11.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>g117982g44a63.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 5 - file: g117982g44a63.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g117982g47h47.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g117982g47h47.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g117982g75f41.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g117982g75f41.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>