diff --git a/drama-queen/src/core/usecases/synchronizeData/selectors.ts b/drama-queen/src/core/usecases/synchronizeData/selectors.ts
index 0b3afaf7..81f22f55 100644
--- a/drama-queen/src/core/usecases/synchronizeData/selectors.ts
+++ b/drama-queen/src/core/usecases/synchronizeData/selectors.ts
@@ -40,6 +40,22 @@ const surveyProgress = createSelector(downloadingState, (state) => {
   return (state.surveyCompleted * 100) / state.totalSurvey
 })
 
+const externalResourcesProgress = createSelector(downloadingState, (state) => {
+  if (state === undefined) {
+    return undefined
+  }
+  // if there is no external resources, we don't show the progress bar
+  if (state.totalExternalResources === undefined) {
+    return undefined
+  }
+  if (
+    state.externalResourcesCompleted === 0 &&
+    state.totalExternalResources === 0
+  )
+    return 100
+  return (state.externalResourcesCompleted * 100) / state.totalExternalResources
+})
+
 const uploadProgress = createSelector(state, (state) => {
   if (state.stateDescription !== 'running') {
     return undefined
@@ -58,12 +74,14 @@ const main = createSelector(
   surveyUnitProgress,
   nomenclatureProgress,
   surveyProgress,
+  externalResourcesProgress,
   uploadProgress,
   (
     state,
     surveyUnitProgress,
     nomenclatureProgress,
     surveyProgress,
+    externalResourcesProgress,
     uploadProgress
   ) => {
     switch (state.stateDescription) {
@@ -86,6 +104,7 @@ const main = createSelector(
               surveyUnitProgress,
               nomenclatureProgress,
               surveyProgress,
+              externalResourcesProgress,
             }
         }
     }
diff --git a/drama-queen/src/core/usecases/synchronizeData/state.ts b/drama-queen/src/core/usecases/synchronizeData/state.ts
index 3dbeed3e..c04c14fc 100644
--- a/drama-queen/src/core/usecases/synchronizeData/state.ts
+++ b/drama-queen/src/core/usecases/synchronizeData/state.ts
@@ -1,6 +1,7 @@
 import { createUsecaseActions } from 'redux-clean-architecture'
 import { id } from 'tsafe/id'
 import { assert } from 'tsafe/assert'
+import { externalResourcesUrl } from './thunks'
 
 export type State = State.NotRunning | State.Running
 
@@ -30,6 +31,8 @@ export namespace State {
       nomenclatureCompleted: number
       totalSurvey: number
       surveyCompleted: number
+      totalExternalResources?: number
+      externalResourcesCompleted: number
     }
   }
 }
@@ -54,6 +57,11 @@ export const { reducer, actions } = createUsecaseActions({
           nomenclatureCompleted: 0,
           totalSurvey: Infinity,
           surveyCompleted: 0,
+          // for total external resources, we make difference for displaying progress bar between :
+          // 0 : external synchro is triggered but there is no needed questionnaire so we want a fullfilled progress bar
+          // undefined : external synchro is not triggered so we don't want the progress bar
+          totalExternalResources: externalResourcesUrl ? Infinity : undefined,
+          externalResourcesCompleted: 0,
         })
       ),
     runningUpload: () =>
@@ -116,6 +124,24 @@ export const { reducer, actions } = createUsecaseActions({
         nomenclatureCompleted: state.nomenclatureCompleted + 1,
       }
     },
+    setDownloadTotalExternalResources: (
+      state,
+      { payload }: { payload: { totalExternalResources: number } }
+    ) => {
+      const { totalExternalResources } = payload
+      assert(state.stateDescription === 'running' && state.type === 'download')
+      return {
+        ...state,
+        totalExternalResources,
+      }
+    },
+    downloadExternalResourceCompleted: (state) => {
+      assert(state.stateDescription === 'running' && state.type === 'download')
+      return {
+        ...state,
+        externalResourcesCompleted: state.externalResourcesCompleted + 1,
+      }
+    },
     setUploadTotal: (state, { payload }: { payload: { total: number } }) => {
       const { total } = payload
       assert(state.stateDescription === 'running' && state.type === 'upload')
diff --git a/drama-queen/src/core/usecases/synchronizeData/thunks.ts b/drama-queen/src/core/usecases/synchronizeData/thunks.ts
index 711d472d..865f38e6 100644
--- a/drama-queen/src/core/usecases/synchronizeData/thunks.ts
+++ b/drama-queen/src/core/usecases/synchronizeData/thunks.ts
@@ -8,7 +8,7 @@ import {
   getResourcesFromExternalQuestionnaire,
 } from 'core/tools/externalResources'
 
-const externalResourcesUrl = import.meta.env.VITE_EXTERNAL_RESOURCES_URL
+export const externalResourcesUrl = import.meta.env.VITE_EXTERNAL_RESOURCES_URL
 const externalResourcesRootCacheName = 'cache-root-external'
 
 export const thunks = {
@@ -196,14 +196,23 @@ export const thunks = {
               externalQuestionnaires
             )
 
+          // set the total of needed external questionnaires for progress bar
+          dispatch(
+            actions.setDownloadTotalExternalResources({
+              totalExternalResources: neededQuestionnaires.length,
+            })
+          )
+
           // add in cache the missing external resources for needed questionnaires
           await Promise.all(
-            neededQuestionnaires.map((questionnaire) =>
+            neededQuestionnaires.map((questionnaire) => {
               getResourcesFromExternalQuestionnaire(
                 externalResourcesUrl,
                 questionnaire
+              ).then(() =>
+                dispatch(actions.downloadExternalResourceCompleted())
               )
-            )
+            })
           )
 
           // delete the cache of every not needed external questionnaires
diff --git a/drama-queen/src/i18n/resources/en.ts b/drama-queen/src/i18n/resources/en.ts
index 1bf1b535..c5024a2b 100644
--- a/drama-queen/src/i18n/resources/en.ts
+++ b/drama-queen/src/i18n/resources/en.ts
@@ -77,6 +77,7 @@ export const translations: Translations<'en'> = {
     surveyUnitsProgress: 'Survey units',
     questionnairesProgress: 'Questionnaires',
     nomenclaturesProgress: 'Nomenclatures',
+    externalResourcesProgress: 'External resources',
     uploadingData: 'Sending data...',
   },
   visualizeMessage: {
diff --git a/drama-queen/src/i18n/resources/fr.ts b/drama-queen/src/i18n/resources/fr.ts
index ba77118a..d22983ca 100644
--- a/drama-queen/src/i18n/resources/fr.ts
+++ b/drama-queen/src/i18n/resources/fr.ts
@@ -78,6 +78,7 @@ export const translations: Translations<'fr'> = {
     surveyUnitsProgress: 'Unités enquêtées',
     questionnairesProgress: 'Questionnaires',
     nomenclaturesProgress: 'Nomenclatures',
+    externalResourcesProgress: 'Ressources externes',
     uploadingData: 'Envoi des données...',
   },
   visualizeMessage: {
diff --git a/drama-queen/src/i18n/types.ts b/drama-queen/src/i18n/types.ts
index 06a67a01..7a5beac6 100644
--- a/drama-queen/src/i18n/types.ts
+++ b/drama-queen/src/i18n/types.ts
@@ -76,6 +76,7 @@ export type SynchronizeMessage =
   | 'surveyUnitsProgress'
   | 'questionnairesProgress'
   | 'nomenclaturesProgress'
+  | 'externalResourcesProgress'
   | 'uploadingData'
 
 export type VisualizeMessage =
diff --git a/drama-queen/src/ui/pages/synchronize/SynchronizeData.tsx b/drama-queen/src/ui/pages/synchronize/SynchronizeData.tsx
index 018bc869..36786ebc 100644
--- a/drama-queen/src/ui/pages/synchronize/SynchronizeData.tsx
+++ b/drama-queen/src/ui/pages/synchronize/SynchronizeData.tsx
@@ -14,6 +14,7 @@ export function SynchronizeData() {
     nomenclatureProgress,
     surveyProgress,
     surveyUnitProgress,
+    externalResourcesProgress,
     uploadProgress,
   } = useCoreState('synchronizeData', 'main')
 
@@ -68,6 +69,15 @@ export function SynchronizeData() {
               progress: surveyUnitProgress,
               label: t('surveyUnitsProgress'),
             },
+            // render external resources progress bar only if there are external resources
+            ...(externalResourcesProgress !== undefined
+              ? [
+                  {
+                    progress: externalResourcesProgress,
+                    label: t('externalResourcesProgress'),
+                  },
+                ]
+              : []),
           ]}
           syncStepTitle={t('downloadingData')}
         />