<SEC-DOCUMENT>0001752724-25-213166-index.html : 20250904
<SEC-HEADER>0001752724-25-213166.hdr.sgml : 20250904
<ACCEPTANCE-DATETIME>20250904073850
ACCESSION NUMBER:		0001752724-25-213166
CONFORMED SUBMISSION TYPE:	N-CEN
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20250630
FILED AS OF DATE:		20250904
DATE AS OF CHANGE:		20250904
EFFECTIVENESS DATE:		20250904

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Eaton Vance Senior Income Trust
		CENTRAL INDEX KEY:			0001070732
		ORGANIZATION NAME:           	
		EIN:				043435040

	FILING VALUES:
		FORM TYPE:		N-CEN
		SEC ACT:		1940 Act
		SEC FILE NUMBER:	811-09013
		FILM NUMBER:		251291905

	BUSINESS ADDRESS:	
		STREET 1:		ONE POST OFFICE SQUARE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109
		BUSINESS PHONE:		617-482-8260

	MAIL ADDRESS:	
		STREET 1:		ONE POST OFFICE SQUARE
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02109

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EATON VANCE SENIOR INCOME TRUST
		DATE OF NAME CHANGE:	19980919
</SEC-HEADER>
<DOCUMENT>
<TYPE>N-CEN
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
Document 1 - file: primary_doc.html

Document 1 - RAW XML: primary_doc.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>INTERNAL CONTROL RPT
<SEQUENCE>2
<FILENAME>NCEN_811-09013_90269638_0625.htm
<TEXT>
Document 2 - file: NCEN_811-09013_90269638_0625.htm

</DOCUMENT>
</SEC-DOCUMENT>