    <SEC-DOCUMENT>0001104659-24-128391-index.html : 20250313
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    <PRIVATE-TO-PUBLIC>
    ACCESSION NUMBER:		0001104659-24-128391
    CONFORMED SUBMISSION TYPE:	N-2
    PUBLIC DOCUMENT COUNT:		22
    FILED AS OF DATE:		20241213
    DATE AS OF CHANGE:		20250212

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Invesco Municipal Income Opportunities Trust
    		CENTRAL INDEX KEY:			0000835333
    		ORGANIZATION NAME:
    		IRS NUMBER:				133473972
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			0530

    	FILING VALUES:
    		FORM TYPE:		N-2
    		SEC ACT:		1940 Act
    		SEC FILE NUMBER:	811-05597
    		FILM NUMBER:		241548122

    	BUSINESS ADDRESS:
    		STREET 1:		1331 SPRING STREET N.W.
    		STREET 2:		SUITE 2500
    		CITY:			ATLANTA
    		STATE:			GA
    		ZIP:			30309
    		BUSINESS PHONE:		404-439-3217

    	MAIL ADDRESS:
    		STREET 1:		1331 SPRING STREET N.W.
    		STREET 2:		SUITE 2500
    		CITY:			ATLANTA
    		STATE:			GA
    		ZIP:			30309

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MORGAN STANLEY MUNICIPAL INCOME OPPORTUNITIES TRUST
    		DATE OF NAME CHANGE:	20011220

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MSDW MUNICIPAL INCOME OPPORTUNITIES TRUST
    		DATE OF NAME CHANGE:	19981221

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MUNICIPAL INCOME OPPORTUNITIES TRUST/MA
    		DATE OF NAME CHANGE:	19930721

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			Invesco Municipal Income Opportunities Trust
    		CENTRAL INDEX KEY:			0000835333
    		ORGANIZATION NAME:
    		IRS NUMBER:				133473972
    		STATE OF INCORPORATION:			MA
    		FISCAL YEAR END:			0530

    	FILING VALUES:
    		FORM TYPE:		N-2
    		SEC ACT:		1933 Act
    		SEC FILE NUMBER:	333-283796
    		FILM NUMBER:		241548121

    	BUSINESS ADDRESS:
    		STREET 1:		1331 SPRING STREET N.W.
    		STREET 2:		SUITE 2500
    		CITY:			ATLANTA
    		STATE:			GA
    		ZIP:			30309
    		BUSINESS PHONE:		404-439-3217

    	MAIL ADDRESS:
    		STREET 1:		1331 SPRING STREET N.W.
    		STREET 2:		SUITE 2500
    		CITY:			ATLANTA
    		STATE:			GA
    		ZIP:			30309

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MORGAN STANLEY MUNICIPAL INCOME OPPORTUNITIES TRUST
    		DATE OF NAME CHANGE:	20011220

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MSDW MUNICIPAL INCOME OPPORTUNITIES TRUST
    		DATE OF NAME CHANGE:	19981221

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MUNICIPAL INCOME OPPORTUNITIES TRUST/MA
    		DATE OF NAME CHANGE:	19930721
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    <DOCUMENT>
    <TYPE>N-2
    <SEQUENCE>1
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    <DESCRIPTION>N-2
    <TEXT>
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    <DOCUMENT>
    <TYPE>EX-99.(G)(I)(1)
    <SEQUENCE>2
    <FILENAME>tm2430718d1_ex99-xgxix1.htm
    <DESCRIPTION>EXHIBIT 99.(G)(I)(1)
    <TEXT>
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    <TEXT>
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    <TYPE>EX-99.(K)(I)
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    <FILENAME>tm2430718d1_ex99-xkxiix3.htm
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    <TEXT>
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    <SEQUENCE>7
    <FILENAME>tm2430718d1_ex99-xkxiiix1.htm
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    <TEXT>
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    <TYPE>EX-FILING FEES
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    <FILENAME>tm2430718d1_exfilingfees.htm
    <DESCRIPTION>EX-FILING FEES
    <TEXT>
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    </DOCUMENT>
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    <TYPE>EX-101.SCH
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    <FILENAME>ck0000835333-20241213.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
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    <SEQUENCE>11
    <FILENAME>ck0000835333-20241213_def.xml
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    <TEXT>
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    <TYPE>EX-101.LAB
    <SEQUENCE>12
    <FILENAME>ck0000835333-20241213_lab.xml
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    <TEXT>
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    <SEQUENCE>13
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    <TEXT>
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    <TEXT>
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    <TYPE>XML
    <SEQUENCE>19
    <FILENAME>report.css
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    <TEXT>
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    <SEQUENCE>21
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    <TEXT>
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    Document 21 - RAW XML: FilingSummary.xml

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    <TYPE>JSON
    <SEQUENCE>23
    <FILENAME>MetaLinks.json
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    <TEXT>
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    <TYPE>ZIP
    <SEQUENCE>24
    <FILENAME>0001104659-24-128391-xbrl.zip
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    Document 24 - file: 0001104659-24-128391-xbrl.zip

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    <TYPE>XML
    <SEQUENCE>25
    <FILENAME>tm2430718d1_n2_htm.xml
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    <TEXT>
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    Document 25 - RAW XML: tm2430718d1_n2_htm.xml

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>tm2430718d1_coverimg001.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: tm2430718d1_coverimg001.jpg

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    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>tm2430718d1appbi001.jpg
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    Document 15 - file: tm2430718d1appbi001.jpg

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    <DOCUMENT>
    <TYPE>COVER
    <SEQUENCE>26
    <FILENAME>filename26.htm
    <TEXT>
    Document 26 - file: filename26.htm

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