diff --git a/tools/cldr-code/src/main/java/org/unicode/cldr/util/Organization.java b/tools/cldr-code/src/main/java/org/unicode/cldr/util/Organization.java
index 1208a7fcbbc..2c42b213c71 100644
--- a/tools/cldr-code/src/main/java/org/unicode/cldr/util/Organization.java
+++ b/tools/cldr-code/src/main/java/org/unicode/cldr/util/Organization.java
@@ -17,6 +17,7 @@ public enum Organization {
     afghan_csa("Afghan CSA"),
     afghan_mcit("Afghan MCIT"),
     afrigen("Afrigen"),
+    airbnb("Airbnb"),
     anii("Anii Research Group"),
     apple("Apple"),
     bangladesh("Bangladesh", "Bangladesh Computer Council"),
diff --git a/tools/cldr-code/src/main/resources/org/unicode/cldr/util/data/Locales.txt b/tools/cldr-code/src/main/resources/org/unicode/cldr/util/data/Locales.txt
index 9c82da122f3..ecda6781f22 100644
--- a/tools/cldr-code/src/main/resources/org/unicode/cldr/util/data/Locales.txt
+++ b/tools/cldr-code/src/main/resources/org/unicode/cldr/util/data/Locales.txt
@@ -38,6 +38,68 @@
 # This is an optional comment which can be used to give the name of the locale,
 # or any other organization-specific information such as tiers (T0, T1, …)
 
+Airbnb ; ar ; modern ; T2 Arabic
+Airbnb ; az ; modern ; T3 Azerbaijani
+Airbnb ; bg ; modern ; T3 Bulgarian
+Airbnb ; ca ; modern ; T2 Catalan
+Airbnb ; cs ; modern ; T2 Czech
+Airbnb ; da ; modern ; T2 Danish
+Airbnb ; de ; modern ; T1 German
+Airbnb ; el ; modern ; T2 Greek
+Airbnb ; en ; modern ; T0 American English
+Airbnb ; en_AU ; modern ; T1 English (Australia)
+Airbnb ; en_CA ; modern ; T1 English (Canada)
+Airbnb ; en_GB ; modern ; T1 English (Great Britain)
+Airbnb ; es ; modern ; T1 Spanish (Spain)
+Airbnb ; es_MX ; modern ; T1 Spanish (Mexico)
+Airbnb ; es_419 ; modern ; T2 Spanish (Latin America)
+Airbnb ; et ; modern ; T3 Estonian
+Airbnb ; fi ; modern ; T2 Finnish
+Airbnb ; fr ; modern ; T1 French
+Airbnb ; fr_CA ; modern ; T2 French (Canada)
+Airbnb ; ga ; modern ; T3 Gaelic
+Airbnb ; he ; modern ; T2 Hebrew
+Airbnb ; hi ; modern ; T3 Hindi
+Airbnb ; hr ; modern ; T3 Croatian
+Airbnb ; hu ; modern ; T2 Hungarian
+Airbnb ; hy ; modern ; T3 Armenian
+Airbnb ; id ; modern ; T3 Indonesian
+Airbnb ; is ; modern ; T3 Icelandic
+Airbnb ; it ; modern ; T1 Italian
+Airbnb ; ja ; modern ; T1 Japanese
+Airbnb ; ka ; modern ; T3 Georgian
+Airbnb ; kn ; modern ; T3 Kannada
+Airbnb ; ko ; modern ; T1 Korean
+Airbnb ; lt ; modern ; T3 Lithuanian
+Airbnb ; lv ; modern ; T3 Latvian
+Airbnb ; mk ; modern ; T3 Macedonian
+Airbnb ; mr ; modern ; T3 Marathi
+Airbnb ; ms ; modern ; T3 Malay
+Airbnb ; nl ; modern ; T1 Dutch
+Airbnb ; nl_BE ; modern ; T3 Flemish
+Airbnb ; no ; modern ; T3 Norwegian
+Airbnb ; pl ; modern ; T2 Polish
+Airbnb ; pt ; modern ; T1 Portuguese (Brazil)
+Airbnb ; pt_PT ; modern ; T2 Portuguese (Portugal)
+Airbnb ; ro ; modern ; T3 Romanian
+Airbnb ; ru ; modern ; T1 Russian
+Airbnb ; sk ; modern ; T3 Slovak
+Airbnb ; sl ; modern ; T3 Slovenian
+Airbnb ; sq ; modern ; T3 Albanian
+Airbnb ; sr ; modern ; T3 Serbian
+Airbnb ; sr_Cyrl_ME ; modern ; T3 Serbian (Montenegro)
+Airbnb ; sv ; modern ; T2 Swedish
+Airbnb ; sw ; modern ; T3 Swahili
+Airbnb ; th ; modern ; T3 Thai
+Airbnb ; fil ; modern ; T3 Filipino
+Airbnb ; tr ; modern ; T2 Turkish
+Airbnb ; uk ; modern ; T3 Ukrainian
+Airbnb ; vi ; modern ; T2 Vietnamese
+Airbnb ; xh ; moderate ; T3 Xhosa
+Airbnb ; zh ; modern ; T1 Simplified Chinese
+Airbnb ; zh_Hant ; modern ; T2 Traditional Chinese (Taiwan)
+Airbnb ; zh_Hant_HK ; modern ; T2 Traditional Chinese (Hong Kong)
+Airbnb ; zu ; modern ; T3 Zulu
 
 # http://java.sun.com/j2se/1.5.0/docs/guide/intl/locale.doc.html
 # http://developers.sun.com/techtopics/global/index.html
diff --git a/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestCLDRLocaleCoverage.java b/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestCLDRLocaleCoverage.java
index 1094ac1d188..2099a76e2ee 100644
--- a/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestCLDRLocaleCoverage.java
+++ b/tools/cldr-code/src/test/java/org/unicode/cldr/unittest/TestCLDRLocaleCoverage.java
@@ -376,33 +376,42 @@ private void checkDisjoint(
     }
 
     public void TestParentCoverage() {
+        final SupplementalDataInfo sd = SupplementalDataInfo.getInstance();
+        final Set<String> defaultContentLocales = sd.getDefaultContentLocales();
+
         for (Organization organization : sc.getLocaleCoverageOrganizations()) {
             if (organization == Organization.special) {
                 continue;
             }
             final Map<String, Level> localesToLevels = sc.getLocalesToLevelsFor(organization);
             for (Entry<String, Level> localeAndLevel : localesToLevels.entrySet()) {
-                String originalLevel = localeAndLevel.getKey();
+                String originalLocale = localeAndLevel.getKey();
                 Level level = localeAndLevel.getValue();
-                String locale = originalLevel;
+                String locale = originalLocale;
                 while (true) {
                     String parent = LocaleIDParser.getParent(locale);
                     if (parent == null || parent.equals(LocaleNames.ROOT)) {
                         break;
                     }
-                    if (!parent.equals("en_001")) { // en_001 is generated later from en_GB
+                    if (!defaultContentLocales.contains(parent)
+                            && !parent.equals("en_001")) { // en_001 is generated later from en_GB
                         Level parentLevel = localesToLevels.get(parent);
-                        assertTrue(
-                                organization
-                                        + "; locale="
-                                        + originalLevel
-                                        + "; level="
-                                        + level
-                                        + "; parent="
-                                        + parent
-                                        + "; level="
-                                        + parentLevel,
-                                parentLevel != null && parentLevel.compareTo(level) >= 0);
+                        if (assertNotNull(
+                                String.format(
+                                        "Locales.txt: Entry '%s ; %s ; ...' is missing parent '%s ; %s ; ...'",
+                                        organization, originalLocale, organization, parent),
+                                parentLevel)) {
+                            assertTrue(
+                                    String.format(
+                                            "Locales.txt: Entry '%s ; %s ; %s' should not be higher than parent '%s ; %s ; %s'",
+                                            organization,
+                                            originalLocale,
+                                            level,
+                                            organization,
+                                            parent,
+                                            parentLevel),
+                                    parentLevel.compareTo(level) >= 0);
+                        }
                     }
                     locale = parent;
                 }