    <SEC-DOCUMENT>0001145443-19-000319-index.html : 20190701
    <SEC-HEADER>0001145443-19-000319.hdr.sgml : 20190701
    <ACCEPTANCE-DATETIME>20190701105458
    ACCESSION NUMBER:		0001145443-19-000319
    CONFORMED SUBMISSION TYPE:	N-CSRS
    PUBLIC DOCUMENT COUNT:		11
    CONFORMED PERIOD OF REPORT:	20190430
    FILED AS OF DATE:		20190701
    DATE AS OF CHANGE:		20190701
    EFFECTIVENESS DATE:		20190701

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			JOHN HANCOCK INCOME SECURITIES TRUST
    		CENTRAL INDEX KEY:			0000759866
    		IRS NUMBER:				000000000
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			1031

    	FILING VALUES:
    		FORM TYPE:		N-CSRS
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-04186
    		FILM NUMBER:		19931899

    	BUSINESS ADDRESS:
    		STREET 1:		C/O JOHN HANCOCK FUNDS
    		STREET 2:		200 BERKELEY STREET
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02116
    		BUSINESS PHONE:		617-663-3000

    	MAIL ADDRESS:
    		STREET 1:		C/O JOHN HANCOCK FUNDS
    		STREET 2:		200 BERKELEY STREET
    		CITY:			BOSTON
    		STATE:			MA
    		ZIP:			02116

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	HANCOCK JOHN INCOME SECURITIES TRUST /MA
    		DATE OF NAME CHANGE:	19920703
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>N-CSRS
    <SEQUENCE>1
    <FILENAME>d359300.htm
    <DESCRIPTION>N-CSRS
    <TEXT>
    Document 1 - file: d359300.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(A)
    <SEQUENCE>2
    <FILENAME>d359300_ex99-cert.htm
    <DESCRIPTION>EX-99.(A)
    <TEXT>
    Document 2 - file: d359300_ex99-cert.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(B)(1)
    <SEQUENCE>3
    <FILENAME>d359300_ex99-906.htm
    <DESCRIPTION>EX-99.(B)(1)
    <TEXT>
    Document 3 - file: d359300_ex99-906.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.(C)(1)
    <SEQUENCE>4
    <FILENAME>d359300_ex99-c1.htm
    <DESCRIPTION>EX-99.(C)(1)
    <TEXT>
    Document 4 - file: d359300_ex99-c1.htm

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

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>jh2x17_portfoliocomppie.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: jh2x17_portfoliocomppie.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>jh2x17_qualitycomppie.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: jh2x17_qualitycomppie.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>jhdigest_backcover-logo.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: jhdigest_backcover-logo.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>jhdigest_income-digcovmask.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: jhdigest_income-digcovmask.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>jhp6sa_aatrbar.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: jhp6sa_aatrbar.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>jhreport_letter-digest.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: jhreport_letter-digest.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>