diff --git a/src/Controller/Administrative/Statistics/ApplicationsByDestinationController.php b/src/Controller/Administrative/Statistics/ApplicationsByDestinationController.php
index 7865afd..d3fa1e3 100644
--- a/src/Controller/Administrative/Statistics/ApplicationsByDestinationController.php
+++ b/src/Controller/Administrative/Statistics/ApplicationsByDestinationController.php
@@ -35,8 +35,8 @@ class ApplicationsByDestinationController extends AbstractController
         }
 
         $statistics = $this->applicationRepository->getApplicationsByDestination(
-            $filterDto->getDateFrom(),
-            $filterDto->getDateTo(),
+            $filterDto->getEffectiveDateFrom(),
+            $filterDto->getEffectiveDateTo(),
         );
 
         return $this->render('administrative/statistics/applications_by_destination.html.twig', [
diff --git a/src/Controller/Administrative/Statistics/FeedbackByDestinationController.php b/src/Controller/Administrative/Statistics/FeedbackByDestinationController.php
index a839ceb..178a273 100644
--- a/src/Controller/Administrative/Statistics/FeedbackByDestinationController.php
+++ b/src/Controller/Administrative/Statistics/FeedbackByDestinationController.php
@@ -35,8 +35,8 @@ class FeedbackByDestinationController extends AbstractController
         }
 
         $statistics = $this->dispositionRepository->getFeedbackStatisticsByNormalizedHotelCode(
-            $filterDto->getDateFrom(),
-            $filterDto->getDateTo(),
+            $filterDto->getEffectiveDateFrom(),
+            $filterDto->getEffectiveDateTo(),
         );
 
         return $this->render('administrative/statistics/feedback_by_destination.html.twig', [
diff --git a/src/Controller/Administrative/Statistics/FeedbackRatingsByDestinationController.php b/src/Controller/Administrative/Statistics/FeedbackRatingsByDestinationController.php
index d999214..46d367a 100644
--- a/src/Controller/Administrative/Statistics/FeedbackRatingsByDestinationController.php
+++ b/src/Controller/Administrative/Statistics/FeedbackRatingsByDestinationController.php
@@ -35,8 +35,8 @@ class FeedbackRatingsByDestinationController extends AbstractController
         }
 
         $statistics = $this->feedbackRepository->getAverageRatingsByDestinationAndFeedbackSet(
-            $filterDto->getDateFrom(),
-            $filterDto->getDateTo(),
+            $filterDto->getEffectiveDateFrom(),
+            $filterDto->getEffectiveDateTo(),
         );
 
         return $this->render('administrative/statistics/feedback_ratings_by_destination.html.twig', [
diff --git a/src/Controller/Administrative/Statistics/FeedbackRatingsController.php b/src/Controller/Administrative/Statistics/FeedbackRatingsController.php
index cafb676..6cf9755 100644
--- a/src/Controller/Administrative/Statistics/FeedbackRatingsController.php
+++ b/src/Controller/Administrative/Statistics/FeedbackRatingsController.php
@@ -35,8 +35,8 @@ class FeedbackRatingsController extends AbstractController
         }
 
         $statistics = $this->feedbackRepository->getAverageRatingsByQuestionAndFeedbackSet(
-            $filterDto->getDateFrom(),
-            $filterDto->getDateTo(),
+            $filterDto->getEffectiveDateFrom(),
+            $filterDto->getEffectiveDateTo(),
         );
 
         // Prepare chart data for each feedback set
diff --git a/src/Model/StatisticsFilterDto.php b/src/Model/StatisticsFilterDto.php
index 3eaead9..eb708b3 100644
--- a/src/Model/StatisticsFilterDto.php
+++ b/src/Model/StatisticsFilterDto.php
@@ -32,4 +32,27 @@ class StatisticsFilterDto extends AbstractFilterDto
 
         return $this;
     }
+
+    /**
+     * The lower bound actually applied to a query: the picked date, or a rolling
+     * 12-month window ending today when nothing is picked.
+     *
+     * The default lives here rather than in a nullable property so that
+     * AbstractFilterDto::isActive() still sees a fresh instance as "not filtered"
+     * (it compares properties with !==, which no two DateTimeImmutable share).
+     */
+    public function getEffectiveDateFrom(): \DateTimeImmutable
+    {
+        return $this->dateFrom ?? (new \DateTimeImmutable('today'))->modify('-12 months');
+    }
+
+    public function getEffectiveDateTo(): \DateTimeImmutable
+    {
+        return $this->dateTo ?? new \DateTimeImmutable('today 23:59:59');
+    }
+
+    public function isUsingDefaultRange(): bool
+    {
+        return null === $this->dateFrom && null === $this->dateTo;
+    }
 }
diff --git a/templates/administrative/statistics/applications_by_destination.html.twig b/templates/administrative/statistics/applications_by_destination.html.twig
index 264aaaa..648e2a3 100644
--- a/templates/administrative/statistics/applications_by_destination.html.twig
+++ b/templates/administrative/statistics/applications_by_destination.html.twig
@@ -24,13 +24,12 @@
         {{ form_end(form) }}
     </div>
 
-    {% if filterDto.active %}
-        <p class="text-sm text-gray-600 mb-4">
-            Filter aktiv:
-            {% if filterDto.dateFrom %}von {{ filterDto.dateFrom|date('d.m.Y') }}{% endif %}
-            {% if filterDto.dateTo %}bis {{ filterDto.dateTo|date('d.m.Y') }}{% endif %}
-        </p>
-    {% endif %}
+    <p class="text-sm text-gray-600 mb-4">
+        Zeitraum: {{ filterDto.effectiveDateFrom|date('d.m.Y') }} &ndash; {{ filterDto.effectiveDateTo|date('d.m.Y') }}
+        <span class="text-gray-400">
+            {% if filterDto.usingDefaultRange %}(Standard: letzte 12 Monate){% else %}(Filter aktiv){% endif %}
+        </span>
+    </p>
 
     {% if statistics is empty %}
         <div class="bg-white rounded-lg shadow p-8 text-center text-gray-500">
diff --git a/templates/administrative/statistics/feedback_by_destination.html.twig b/templates/administrative/statistics/feedback_by_destination.html.twig
index dc039f7..5ce165c 100644
--- a/templates/administrative/statistics/feedback_by_destination.html.twig
+++ b/templates/administrative/statistics/feedback_by_destination.html.twig
@@ -24,13 +24,12 @@
         {{ form_end(form) }}
     </div>
 
-    {% if filterDto.active %}
-        <p class="text-sm text-gray-600 mb-4">
-            Filter aktiv:
-            {% if filterDto.dateFrom %}von {{ filterDto.dateFrom|date('d.m.Y') }}{% endif %}
-            {% if filterDto.dateTo %}bis {{ filterDto.dateTo|date('d.m.Y') }}{% endif %}
-        </p>
-    {% endif %}
+    <p class="text-sm text-gray-600 mb-4">
+        Zeitraum: {{ filterDto.effectiveDateFrom|date('d.m.Y') }} &ndash; {{ filterDto.effectiveDateTo|date('d.m.Y') }}
+        <span class="text-gray-400">
+            {% if filterDto.usingDefaultRange %}(Standard: letzte 12 Monate){% else %}(Filter aktiv){% endif %}
+        </span>
+    </p>
 
     {% if statistics is empty %}
         <div class="bg-white rounded-lg shadow p-8 text-center text-gray-500">
diff --git a/templates/administrative/statistics/feedback_ratings.html.twig b/templates/administrative/statistics/feedback_ratings.html.twig
index 2dc825b..1913b2f 100644
--- a/templates/administrative/statistics/feedback_ratings.html.twig
+++ b/templates/administrative/statistics/feedback_ratings.html.twig
@@ -24,13 +24,12 @@
         {{ form_end(form) }}
     </div>
 
-    {% if filterDto.active %}
-        <p class="text-sm text-gray-600 mb-4">
-            Filter aktiv:
-            {% if filterDto.dateFrom %}von {{ filterDto.dateFrom|date('d.m.Y') }}{% endif %}
-            {% if filterDto.dateTo %}bis {{ filterDto.dateTo|date('d.m.Y') }}{% endif %}
-        </p>
-    {% endif %}
+    <p class="text-sm text-gray-600 mb-4">
+        Zeitraum: {{ filterDto.effectiveDateFrom|date('d.m.Y') }} &ndash; {{ filterDto.effectiveDateTo|date('d.m.Y') }}
+        <span class="text-gray-400">
+            {% if filterDto.usingDefaultRange %}(Standard: letzte 12 Monate){% else %}(Filter aktiv){% endif %}
+        </span>
+    </p>
 
     {% if chartsData is empty %}
         <div class="bg-white rounded-lg shadow p-8 text-center text-gray-500">
diff --git a/templates/administrative/statistics/feedback_ratings_by_destination.html.twig b/templates/administrative/statistics/feedback_ratings_by_destination.html.twig
index b6b7aeb..c580257 100644
--- a/templates/administrative/statistics/feedback_ratings_by_destination.html.twig
+++ b/templates/administrative/statistics/feedback_ratings_by_destination.html.twig
@@ -24,13 +24,12 @@
         {{ form_end(form) }}
     </div>
 
-    {% if filterDto.active %}
-        <p class="text-sm text-gray-600 mb-4">
-            Filter aktiv:
-            {% if filterDto.dateFrom %}von {{ filterDto.dateFrom|date('d.m.Y') }}{% endif %}
-            {% if filterDto.dateTo %}bis {{ filterDto.dateTo|date('d.m.Y') }}{% endif %}
-        </p>
-    {% endif %}
+    <p class="text-sm text-gray-600 mb-4">
+        Zeitraum: {{ filterDto.effectiveDateFrom|date('d.m.Y') }} &ndash; {{ filterDto.effectiveDateTo|date('d.m.Y') }}
+        <span class="text-gray-400">
+            {% if filterDto.usingDefaultRange %}(Standard: letzte 12 Monate){% else %}(Filter aktiv){% endif %}
+        </span>
+    </p>
 
     {% if destinations is empty %}
         <div class="bg-white rounded-lg shadow p-8 text-center text-gray-500">
diff --git a/tests/Model/StatisticsFilterDtoTest.php b/tests/Model/StatisticsFilterDtoTest.php
new file mode 100644
index 0000000..61717f1
--- /dev/null
+++ b/tests/Model/StatisticsFilterDtoTest.php
@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types=1);
+
+namespace App\Tests\Model;
+
+use App\Model\StatisticsFilterDto;
+use PHPUnit\Framework\TestCase;
+
+class StatisticsFilterDtoTest extends TestCase
+{
+    public function testFreshDtoFallsBackToARollingTwelveMonthWindow(): void
+    {
+        $dto = new StatisticsFilterDto();
+
+        $expectedFrom = (new \DateTimeImmutable('today'))->modify('-12 months');
+
+        $this->assertSame(
+            $expectedFrom->format('Y-m-d'),
+            $dto->getEffectiveDateFrom()->format('Y-m-d'),
+        );
+        $this->assertSame(
+            (new \DateTimeImmutable('today'))->format('Y-m-d'),
+            $dto->getEffectiveDateTo()->format('Y-m-d'),
+        );
+        $this->assertTrue($dto->isUsingDefaultRange());
+        $this->assertFalse($dto->isActive());
+    }
+
+    public function testAPickedLowerBoundStopsTheFromFallbackButNotTheToFallback(): void
+    {
+        $from = new \DateTimeImmutable('2025-03-01');
+
+        $dto = (new StatisticsFilterDto())->setDateFrom($from);
+
+        $this->assertSame($from, $dto->getEffectiveDateFrom());
+        $this->assertSame(
+            (new \DateTimeImmutable('today'))->format('Y-m-d'),
+            $dto->getEffectiveDateTo()->format('Y-m-d'),
+        );
+        $this->assertFalse($dto->isUsingDefaultRange());
+        $this->assertTrue($dto->isActive());
+    }
+
+    public function testBothBoundsPickedAreReturnedVerbatim(): void
+    {
+        $from = new \DateTimeImmutable('2025-01-01');
+        $to = new \DateTimeImmutable('2025-06-30');
+
+        $dto = (new StatisticsFilterDto())
+            ->setDateFrom($from)
+            ->setDateTo($to)
+        ;
+
+        $this->assertSame($from, $dto->getEffectiveDateFrom());
+        $this->assertSame($to, $dto->getEffectiveDateTo());
+        $this->assertFalse($dto->isUsingDefaultRange());
+    }
+}