    <SEC-DOCUMENT>0000230557-18-000027-index.html : 20180606
    <SEC-HEADER>0000230557-18-000027.hdr.sgml : 20180606
    <ACCEPTANCE-DATETIME>20180606082032
    ACCESSION NUMBER:		0000230557-18-000027
    CONFORMED SUBMISSION TYPE:	S-3ASR
    PUBLIC DOCUMENT COUNT:		27
    FILED AS OF DATE:		20180606
    DATE AS OF CHANGE:		20180606
    EFFECTIVENESS DATE:		20180606

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			SELECTIVE INSURANCE GROUP INC
    		CENTRAL INDEX KEY:			0000230557
    		STANDARD INDUSTRIAL CLASSIFICATION:	FIRE, MARINE & CASUALTY INSURANCE [6331]
    		IRS NUMBER:				222168890
    		STATE OF INCORPORATION:			NJ
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		S-3ASR
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-225452
    		FILM NUMBER:		18882968

    	BUSINESS ADDRESS:
    		STREET 1:		40 WANTAGE AVENUE
    		CITY:			BRANCHVILLE
    		STATE:			NJ
    		ZIP:			07890
    		BUSINESS PHONE:		9739483000

    	MAIL ADDRESS:
    		STREET 1:		40 WANTAGE AVE
    		STREET 2:		40 WANTAGE AVE
    		CITY:			BRANCHVILLE
    		STATE:			NJ
    		ZIP:			07890

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	SRI CORP
    		DATE OF NAME CHANGE:	19860508
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>S-3ASR
    <SEQUENCE>1
    <FILENAME>a2018forms-3.htm
    <DESCRIPTION>S-3ASR
    <TEXT>
    Document 1 - file: a2018forms-3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.1
    <SEQUENCE>2
    <FILENAME>s-3exhibit51.htm
    <DESCRIPTION>EXHIBIT 5.1
    <TEXT>
    Document 2 - file: s-3exhibit51.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-5.2
    <SEQUENCE>3
    <FILENAME>s-3exhibit52.htm
    <DESCRIPTION>EXHIBIT 5.2
    <TEXT>
    Document 3 - file: s-3exhibit52.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-12.1
    <SEQUENCE>4
    <FILENAME>exhibit121.htm
    <DESCRIPTION>EXHIBIT 12.1
    <TEXT>
    Document 4 - file: exhibit121.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-23.1
    <SEQUENCE>5
    <FILENAME>exhibit231.htm
    <DESCRIPTION>EXHIBIT 23.1
    <TEXT>
    Document 5 - file: exhibit231.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.1
    <SEQUENCE>6
    <FILENAME>exhibit241.htm
    <DESCRIPTION>EXHIBIT 24.1
    <TEXT>
    Document 6 - file: exhibit241.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.2
    <SEQUENCE>7
    <FILENAME>exhibit242.htm
    <DESCRIPTION>EXHIBIT 24.2
    <TEXT>
    Document 7 - file: exhibit242.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.3
    <SEQUENCE>8
    <FILENAME>exhibit243.htm
    <DESCRIPTION>EXHIBIT 24.3
    <TEXT>
    Document 8 - file: exhibit243.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.4
    <SEQUENCE>9
    <FILENAME>exhibit244.htm
    <DESCRIPTION>EXHIBIT 24.4
    <TEXT>
    Document 9 - file: exhibit244.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.5
    <SEQUENCE>10
    <FILENAME>exhibit245.htm
    <DESCRIPTION>EXHIBIT 24.5
    <TEXT>
    Document 10 - file: exhibit245.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.6
    <SEQUENCE>11
    <FILENAME>exhibit246.htm
    <DESCRIPTION>EXHIBIT 24.6
    <TEXT>
    Document 11 - file: exhibit246.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.7
    <SEQUENCE>12
    <FILENAME>exhibit247.htm
    <DESCRIPTION>EXHIBIT 24.7
    <TEXT>
    Document 12 - file: exhibit247.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.8
    <SEQUENCE>13
    <FILENAME>exhibit248.htm
    <DESCRIPTION>EXHIBIT 24.8
    <TEXT>
    Document 13 - file: exhibit248.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.9
    <SEQUENCE>14
    <FILENAME>exhibit249.htm
    <DESCRIPTION>EXHIBIT 24.9
    <TEXT>
    Document 14 - file: exhibit249.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.10
    <SEQUENCE>15
    <FILENAME>exhibit2410.htm
    <DESCRIPTION>EXHIBIT 24.10
    <TEXT>
    Document 15 - file: exhibit2410.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.11
    <SEQUENCE>16
    <FILENAME>exhibit2411.htm
    <DESCRIPTION>EXHIBIT 24.11
    <TEXT>
    Document 16 - file: exhibit2411.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-24.12
    <SEQUENCE>17
    <FILENAME>exhibit2412.htm
    <DESCRIPTION>EXHIBIT 24.12
    <TEXT>
    Document 17 - file: exhibit2412.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-25.1
    <SEQUENCE>18
    <FILENAME>exhibit251.htm
    <DESCRIPTION>EXHIBIT 25.1
    <TEXT>
    Document 18 - file: exhibit251.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-25.2
    <SEQUENCE>19
    <FILENAME>exhibit252.htm
    <DESCRIPTION>EXHIBIT 25.2
    <TEXT>
    Document 19 - file: exhibit252.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-25.3
    <SEQUENCE>20
    <FILENAME>exhibit253.htm
    <DESCRIPTION>EXHIBIT 25.3
    <TEXT>
    Document 20 - file: exhibit253.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>logo.jpg
    <TEXT>
    Document 21 - file: logo.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>t1exhibit6.jpg
    <TEXT>
    Document 22 - file: t1exhibit6.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>t1part1.jpg
    <TEXT>
    Document 23 - file: t1part1.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>t1part2.jpg
    <TEXT>
    Document 24 - file: t1part2.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>t1part3.jpg
    <TEXT>
    Document 25 - file: t1part3.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>t1part4.jpg
    <TEXT>
    Document 26 - file: t1part4.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>t1part5.jpg
    <TEXT>
    Document 27 - file: t1part5.jpg

    </DOCUMENT>
    </SEC-DOCUMENT>