diff --git a/app/admin/marketing-data/page.tsx b/app/admin/marketing-data/page.tsx
index 3627512..d753166 100644
--- a/app/admin/marketing-data/page.tsx
+++ b/app/admin/marketing-data/page.tsx
@@ -66,10 +66,6 @@ export default function MarketingPage() {
       setLoading(true);
       const token = localStorage.getItem('auth_token') || localStorage.getItem('token');
 
-      console.log('Loading marketing stats...');
-      console.log('API URL:', API_BASE_URL);
-      console.log('Token present:', !!token);
-
       const response = await fetch(
         `${API_BASE_URL}/admin/marketing/stats`,
         {
@@ -80,22 +76,18 @@ export default function MarketingPage() {
         }
       );
 
-      console.log('Response status:', response.status);
-
       if (!response.ok) {
         let errorMessage = 'Erreur lors du chargement';
         try {
           const errorData = await response.json();
           errorMessage = errorData.error || errorData.message || errorMessage;
-          console.error('Error from API:', errorData);
-        } catch (e) {
-          console.error('Failed to parse error response');
+        } catch {
+          // Ignore parse error
         }
         throw new Error(errorMessage);
       }
 
       const data = await response.json();
-      console.log('Marketing stats loaded:', data);
       setStats(data.data);
     } catch (error: any) {
       console.error('Error loading marketing stats:', error);
@@ -216,6 +208,22 @@ export default function MarketingPage() {
     );
   }
 
+  // Filtrer les données vides/non spécifiées pour les graphiques
+  const filteredGenderData = stats.byGender.filter(
+    (g) => g.gender && !g.gender.toLowerCase().includes('not_specified') && !g.gender.toLowerCase().includes('non spécifié') && g.count > 0
+  );
+
+  const filteredAgeData = stats.byAge.filter(
+    (a) => a.range && !a.range.toLowerCase().includes('non spécifié') && a.count > 0
+  );
+
+  const filteredCityData = stats.byCity.filter(
+    (c) => c.city && c.city.trim() !== '' && !c.city.toLowerCase().includes('non spécifié') && c.count > 0
+  );
+
+  // Vérifier s'il y a des données démographiques valides
+  const hasDemographicData = filteredGenderData.length > 0 || filteredAgeData.length > 0 || filteredCityData.length > 0;
+
   return (
     <div className="p-6 max-w-7xl mx-auto">
       {/* En-tête */}
@@ -287,73 +295,95 @@ export default function MarketingPage() {
         </Card>
       </div>
 
-      {/* Graphiques */}
-      <div className="grid grid-cols-1 lg:grid-cols-2 gap-6 mb-6">
-        {/* Répartition par genre */}
-        <Card className="p-6">
-          <h2 className="text-xl font-bold mb-4 flex items-center gap-2">
-            <BarChart3 className="w-6 h-6 text-blue-600" />
-            Répartition par Genre
-          </h2>
-          <ResponsiveContainer width="100%" height={300}>
-            <PieChart>
-              <Pie
-                data={stats.byGender}
-                dataKey="count"
-                nameKey="gender"
-                cx="50%"
-                cy="50%"
-                outerRadius={100}
-                label={(entry: any) => `${entry.gender}: ${entry.count}`}
-              >
-                {stats.byGender.map((entry, index) => (
-                  <Cell key={`cell-${index}`} fill={COLORS[index % COLORS.length]} />
+      {/* Graphiques - Affichés uniquement s'il y a des données valides */}
+      {hasDemographicData ? (
+        <>
+          <div className="grid grid-cols-1 lg:grid-cols-2 gap-6 mb-6">
+            {/* Répartition par genre */}
+            {filteredGenderData.length > 0 && (
+              <Card className="p-6">
+                <h2 className="text-xl font-bold mb-4 flex items-center gap-2">
+                  <BarChart3 className="w-6 h-6 text-blue-600" />
+                  Répartition par Genre
+                </h2>
+                <ResponsiveContainer width="100%" height={300}>
+                  <PieChart>
+                    <Pie
+                      data={filteredGenderData}
+                      dataKey="count"
+                      nameKey="gender"
+                      cx="50%"
+                      cy="50%"
+                      outerRadius={100}
+                      label={(entry: any) => `${entry.gender}: ${entry.count}`}
+                    >
+                      {filteredGenderData.map((entry, index) => (
+                        <Cell key={`cell-${index}`} fill={COLORS[index % COLORS.length]} />
+                      ))}
+                    </Pie>
+                    <Tooltip />
+                    <Legend />
+                  </PieChart>
+                </ResponsiveContainer>
+              </Card>
+            )}
+
+            {/* Répartition par âge */}
+            {filteredAgeData.length > 0 && (
+              <Card className="p-6">
+                <h2 className="text-xl font-bold mb-4 flex items-center gap-2">
+                  <BarChart3 className="w-6 h-6 text-green-600" />
+                  Répartition par Âge
+                </h2>
+                <ResponsiveContainer width="100%" height={300}>
+                  <BarChart data={filteredAgeData}>
+                    <CartesianGrid strokeDasharray="3 3" />
+                    <XAxis dataKey="range" />
+                    <YAxis />
+                    <Tooltip />
+                    <Legend />
+                    <Bar dataKey="count" fill="#10b981" name="Participants" />
+                  </BarChart>
+                </ResponsiveContainer>
+              </Card>
+            )}
+          </div>
+
+          {/* Top villes */}
+          {filteredCityData.length > 0 && (
+            <Card className="p-6 mb-6">
+              <h2 className="text-xl font-bold mb-4 flex items-center gap-2">
+                <MapPin className="w-6 h-6 text-purple-600" />
+                Top Villes ({filteredCityData.length})
+              </h2>
+              <div className="grid grid-cols-2 md:grid-cols-3 lg:grid-cols-5 gap-4">
+                {filteredCityData.slice(0, 10).map((city, index) => (
+                  <div
+                    key={index}
+                    className="bg-gradient-to-br from-purple-50 to-blue-50 p-4 rounded-lg border border-purple-200"
+                  >
+                    <p className="text-sm text-gray-600">#{index + 1}</p>
+                    <p className="font-bold text-gray-900 truncate">{city.city}</p>
+                    <p className="text-2xl font-bold text-purple-600">{city.count}</p>
+                  </div>
                 ))}
-              </Pie>
-              <Tooltip />
-              <Legend />
-            </PieChart>
-          </ResponsiveContainer>
+              </div>
+            </Card>
+          )}
+        </>
+      ) : (
+        <Card className="p-6 mb-6">
+          <div className="text-center py-8">
+            <BarChart3 className="w-16 h-16 text-gray-300 mx-auto mb-4" />
+            <h3 className="text-lg font-semibold text-gray-600 mb-2">
+              Données démographiques non disponibles
+            </h3>
+            <p className="text-gray-500">
+              Les informations sur le genre, l'âge et la ville des participants ne sont pas encore renseignées.
+            </p>
+          </div>
         </Card>
-
-        {/* Répartition par âge */}
-        <Card className="p-6">
-          <h2 className="text-xl font-bold mb-4 flex items-center gap-2">
-            <BarChart3 className="w-6 h-6 text-green-600" />
-            Répartition par Âge
-          </h2>
-          <ResponsiveContainer width="100%" height={300}>
-            <BarChart data={stats.byAge}>
-              <CartesianGrid strokeDasharray="3 3" />
-              <XAxis dataKey="range" />
-              <YAxis />
-              <Tooltip />
-              <Legend />
-              <Bar dataKey="count" fill="#10b981" name="Participants" />
-            </BarChart>
-          </ResponsiveContainer>
-        </Card>
-      </div>
-
-      {/* Top villes */}
-      <Card className="p-6 mb-6">
-        <h2 className="text-xl font-bold mb-4 flex items-center gap-2">
-          <MapPin className="w-6 h-6 text-purple-600" />
-          Top Villes ({stats.byCity.length})
-        </h2>
-        <div className="grid grid-cols-2 md:grid-cols-3 lg:grid-cols-5 gap-4">
-          {stats.byCity.slice(0, 10).map((city, index) => (
-            <div
-              key={index}
-              className="bg-gradient-to-br from-purple-50 to-blue-50 p-4 rounded-lg border border-purple-200"
-            >
-              <p className="text-sm text-gray-600">#{index + 1}</p>
-              <p className="font-bold text-gray-900 truncate">{city.city}</p>
-              <p className="text-2xl font-bold text-purple-600">{city.count}</p>
-            </div>
-          ))}
-        </div>
-      </Card>
+      )}
 
       {/* Section Export */}
       <Card className="p-6">
@@ -385,40 +415,46 @@ export default function MarketingPage() {
             </select>
           </div>
 
-          {/* Filtres additionnels */}
-          <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
-            <div>
-              <label className="block text-sm text-gray-700 mb-1">Ville</label>
-              <select
-                value={filters.city}
-                onChange={(e) => setFilters({ ...filters, city: e.target.value })}
-                className="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm"
-              >
-                <option value="">Toutes les villes</option>
-                {stats.byCity.slice(0, 10).map((city) => (
-                  <option key={city.city} value={city.city}>
-                    {city.city} ({city.count})
-                  </option>
-                ))}
-              </select>
-            </div>
+          {/* Filtres additionnels - Affichés uniquement si données disponibles */}
+          {(filteredCityData.length > 0 || filteredGenderData.length > 0) && (
+            <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
+              {filteredCityData.length > 0 && (
+                <div>
+                  <label className="block text-sm text-gray-700 mb-1">Ville</label>
+                  <select
+                    value={filters.city}
+                    onChange={(e) => setFilters({ ...filters, city: e.target.value })}
+                    className="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm"
+                  >
+                    <option value="">Toutes les villes</option>
+                    {filteredCityData.slice(0, 10).map((city) => (
+                      <option key={city.city} value={city.city}>
+                        {city.city} ({city.count})
+                      </option>
+                    ))}
+                  </select>
+                </div>
+              )}
 
-            <div>
-              <label className="block text-sm text-gray-700 mb-1">Genre</label>
-              <select
-                value={filters.gender}
-                onChange={(e) => setFilters({ ...filters, gender: e.target.value })}
-                className="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm"
-              >
-                <option value="">Tous les genres</option>
-                {stats.byGender.map((g) => (
-                  <option key={g.gender} value={g.gender}>
-                    {g.gender} ({g.count})
-                  </option>
-                ))}
-              </select>
+              {filteredGenderData.length > 0 && (
+                <div>
+                  <label className="block text-sm text-gray-700 mb-1">Genre</label>
+                  <select
+                    value={filters.gender}
+                    onChange={(e) => setFilters({ ...filters, gender: e.target.value })}
+                    className="w-full px-3 py-2 border border-gray-300 rounded-lg text-sm"
+                  >
+                    <option value="">Tous les genres</option>
+                    {filteredGenderData.map((g) => (
+                      <option key={g.gender} value={g.gender}>
+                        {g.gender} ({g.count})
+                      </option>
+                    ))}
+                  </select>
+                </div>
+              )}
             </div>
-          </div>
+          )}
 
           {/* Boutons d'action */}
           <div className="flex gap-3 pt-4">