diff --git a/common/main/cop.xml b/common/main/cop.xml
new file mode 100644
index 00000000000..12424ce3446
--- /dev/null
+++ b/common/main/cop.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE ldml SYSTEM "../../common/dtd/ldml.dtd">
+<!-- Copyright © 1991-2024 Unicode, Inc.
+For terms of use, see http://www.unicode.org/copyright.html
+SPDX-License-Identifier: Unicode-3.0
+CLDR data files are interpreted according to the LDML specification (http://unicode.org/reports/tr35/)
+-->
+<ldml>
+	<identity>
+		<version number="$Revision$"/>
+		<language type="cop"/>
+	</identity>
+	<characters>
+		<exemplarCharacters>[ⲁ ⲃ ⲅ ⲇ ⲉ ⲋ ⲍ ⲏ ⲑ ⲓ ⲕ ⲗ ⲙ ⲛ ⲝ ⲟ ⲡ ⲣ ⲥ ⲧ ⲩ ⲫ ⲭ ⲯ ⲱ ϣ ϥ ϧ ϩ ϫ ϭ ϯ]</exemplarCharacters>
+		<exemplarCharacters type="auxiliary">[ⳤ ⳥ ⳦ ⳧ ⳨ ⳩ ⳪]</exemplarCharacters>
+		<exemplarCharacters type="numbers">↑↑↑</exemplarCharacters>
+		<exemplarCharacters type="punctuation">[. , \: ⳾ ⳿ ⳹ ⳼ ( ) – ⸗ ;]</exemplarCharacters>
+	</characters>
+</ldml>
diff --git a/common/main/cop_EG.xml b/common/main/cop_EG.xml
new file mode 100644
index 00000000000..75a1a4e2ab4
--- /dev/null
+++ b/common/main/cop_EG.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE ldml SYSTEM "../../common/dtd/ldml.dtd">
+<!-- Copyright © 1991-2024 Unicode, Inc.
+For terms of use, see http://www.unicode.org/copyright.html
+SPDX-License-Identifier: Unicode-3.0
+CLDR data files are interpreted according to the LDML specification (http://unicode.org/reports/tr35/)
+-->
+<ldml>
+	<identity>
+		<version number="$Revision$"/>
+		<language type="cop"/>
+		<territory type="EG"/>
+	</identity>
+</ldml>
diff --git a/common/supplemental/attributeValueValidity.xml b/common/supplemental/attributeValueValidity.xml
index d8000f9f36d..0127f943655 100644
--- a/common/supplemental/attributeValueValidity.xml
+++ b/common/supplemental/attributeValueValidity.xml
@@ -66,7 +66,7 @@
 			<variable id='$languageNonTcLtBasic' type='choice'>
 				 aa ab agq ak an ann apc arn asa
 				 ba bal bas bem bew bez bgn blt bm bo bss byn
-				 cad cch ccp ce cgg cho cic ckb co cu
+				 cad cch ccp ce cgg cho cic ckb co cop cu
 				 dav dje dua dv dyo dz
 				 ebu ee ewo
 				 ff frr fur
diff --git a/common/supplemental/supplementalData.xml b/common/supplemental/supplementalData.xml
index 6498637dd9e..7e87532db12 100644
--- a/common/supplemental/supplementalData.xml
+++ b/common/supplemental/supplementalData.xml
@@ -1472,7 +1472,7 @@ XXX Code for transations where no currency is involved
 		<language type="ckt" scripts="Cyrl"/>
 		<language type="clc" scripts="Latn"/>
 		<language type="co" scripts="Latn"/>
-		<language type="cop" scripts="Arab Copt Grek" alt="secondary"/>
+		<language type="cop" scripts="Arab Copt Grek" territories="EG" alt="secondary"/>
 		<language type="cps" scripts="Latn"/>
 		<language type="cr" scripts="Cans Latn"/>
 		<language type="cr" territories="CA" alt="secondary"/>
@@ -2947,6 +2947,7 @@ XXX Code for transations where no currency is involved
 			<languagePopulation type="ar" populationPercent="94" officialStatus="official"/>	<!--Arabic-->
 			<languagePopulation type="arz" populationPercent="64"/>	<!--Egyptian Arabic-->
 			<languagePopulation type="en" populationPercent="35"/>	<!--English-->
+			<languagePopulation type="cop" populationPercent="6" references="R1337"/>	<!--Coptic-->
 			<languagePopulation type="el" populationPercent="0.061"/>	<!--Greek-->
 		</territory>
 		<territory type="EH" gdp="906500000" literacyPercent="50" population="652271">	<!--Western Sahara-->
@@ -5823,5 +5824,6 @@ XXX Code for transations where no currency is involved
 		<reference type="R1334" uri="https://en.wikipedia.org/wiki/Laz_people#cite_note-ethnologue-1">[missing]</reference>
 		<reference type="R1335" uri="https://en.wikipedia.org/wiki/Greeks_in_Russia_and_Ukraine#cite_ref-15">Greek population in Russia -- most ancestrally used Pontic Greek -- modern usage almost certainly has dropped off but we don't have clear statistics on current usage.</reference>
 		<reference type="R1336" uri="https://joshuaproject.net/people_groups/14444/TU">[missing]</reference>
+		<reference type="R1337" uri="https://www.wsj.com/articles/BL-263B-3637">Lower estimate of Coptic population, actual language literacy unknown </reference>
 	</references>
 </supplementalData>
diff --git a/common/supplemental/supplementalMetadata.xml b/common/supplemental/supplementalMetadata.xml
index a4011a09aa4..aa6f5c7dfe0 100644
--- a/common/supplemental/supplementalMetadata.xml
+++ b/common/supplemental/supplementalMetadata.xml
@@ -1880,7 +1880,7 @@ For terms of use, see http://www.unicode.org/copyright.html
 			bgc_IN bgn_PK bho_IN blo_BJ blt_VN bm_ML bm_Nkoo_ML bn_BD bo_CN br_FR brx_IN
 			bs_Cyrl_BA bs_Latn bs_Latn_BA bss_CM byn_ER
 			ca_ES cad_US cch_NG ccp_BD ce_RU ceb_PH cgg_UG cho_US chr_US cic_US ckb_IQ
-			co_FR cs_CZ csw_CA cu_RU cv_RU cy_GB
+			co_FR cop_EG cs_CZ csw_CA cu_RU cv_RU cy_GB
 			da_DK dav_KE de_DE dje_NE doi_IN dsb_DE dua_CM dv_MV dyo_SN dz_BT
 			ebu_KE ee_GH el_GR en_Dsrt_US en_Shaw_GB en_US eo_001 es_ES et_EE eu_ES ewo_CM
 			fa_IR ff_Adlm_GN ff_Latn ff_Latn_SN fi_FI fil_PH fo_FO fr_FR frr_DE fur_IT
diff --git a/tools/cldr-code/src/main/resources/org/unicode/cldr/util/data/country_language_population.tsv b/tools/cldr-code/src/main/resources/org/unicode/cldr/util/data/country_language_population.tsv
index 41f2018a786..7ed8c346c61 100644
--- a/tools/cldr-code/src/main/resources/org/unicode/cldr/util/data/country_language_population.tsv
+++ b/tools/cldr-code/src/main/resources/org/unicode/cldr/util/data/country_language_population.tsv
@@ -347,6 +347,7 @@ Ecuador	EC	"16,498,502"	92%	"193,000,000,000"	official	Spanish	es	96%			"percent
 Egypt	EG	"99,413,317"	74%	"1,204,000,000,000"	official	Arabic	ar	94%
 Egypt	EG	"99,413,317"	74%	"1,204,000,000,000"		Egyptian Arabic	arz	64%
 Egypt	EG	"99,413,317"	74%	"1,204,000,000,000"		English	en	35%
+Egypt	EG	"99,413,317"	74%	"1,204,000,000,000"		Coptic	cop	6%			https://www.wsj.com/articles/BL-263B-3637 Lower estimate of Coptic population, actual language literacy unknown 
 Egypt	EG	"99,413,317"	74%	"1,204,000,000,000"		Greek	el	"60,900"
 El Salvador	SV	"6,187,271"	85%	"51,170,000,000"	official	Spanish	es	89%
 El Salvador	SV	"6,187,271"	85%	"51,170,000,000"		Nahaut Pipil	ppl	2730     https://translatorswithoutborders.org/language-data-for-el-salvador