    <SEC-DOCUMENT>0001072613-16-000804-index.html : 20160527
    <SEC-HEADER>0001072613-16-000804.hdr.sgml : 20160527
    <ACCEPTANCE-DATETIME>20160527111232
    ACCESSION NUMBER:		0001072613-16-000804
    CONFORMED SUBMISSION TYPE:	N-30D
    PUBLIC DOCUMENT COUNT:		7
    CONFORMED PERIOD OF REPORT:	20160331
    FILED AS OF DATE:		20160527
    DATE AS OF CHANGE:		20160527
    EFFECTIVENESS DATE:		20160527

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			BABSON CAPITAL CORPORATE INVESTORS
    		CENTRAL INDEX KEY:			0000275694
    		IRS NUMBER:				042483041
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		N-30D
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-02183
    		FILM NUMBER:		161680723

    	BUSINESS ADDRESS:
    		STREET 1:		1500 MAIN STREET
    		STREET 2:		SUITE 600
    		CITY:			SPRINGFIELD
    		STATE:			MA
    		ZIP:			01115
    		BUSINESS PHONE:		4132261000

    	MAIL ADDRESS:
    		STREET 1:		1500 MAIN STREET
    		STREET 2:		SUITE 600
    		CITY:			SPRINGFIELD
    		STATE:			MA
    		ZIP:			01115

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MASSMUTUAL CORPORATE INVESTORS
    		DATE OF NAME CHANGE:	19920717
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-30D
    <SEQUENCE>1
    <FILENAME>corp_n30d_17947.htm
    <DESCRIPTION>BABSON CAPITAL CORPORATE INVESTORS N-30D__MARCH 31, 2016
    <TEXT>
    Document 1 - file: corp_n30d_17947.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>2
    <FILENAME>cover1.jpg
    <TEXT>
    Document 2 - file: cover1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>3
    <FILENAME>cover2.jpg
    <TEXT>
    Document 3 - file: cover2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>4
    <FILENAME>image00002.jpg
    <TEXT>
    Document 4 - file: image00002.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>5
    <FILENAME>image00003.jpg
    <TEXT>
    Document 5 - file: image00003.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>image00004.jpg
    <TEXT>
    Document 6 - file: image00004.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>image00005.jpg
    <TEXT>
    Document 7 - file: image00005.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>