diff --git a/lib/DI/ContainerConfigurator.php b/lib/DI/ContainerConfigurator.php
index cbc8a8cb05..97eae8f109 100644
--- a/lib/DI/ContainerConfigurator.php
+++ b/lib/DI/ContainerConfigurator.php
@@ -264,6 +264,7 @@ class ContainerConfigurator implements IContainerConfigurator {
     $container->autowire(\MailPoet\Subscribers\ImportExport\ImportExportRepository::class)->setPublic(true);
     $container->autowire(\MailPoet\Subscribers\ImportExport\PersonalDataExporters\NewslettersExporter::class)->setPublic(true);
     $container->autowire(\MailPoet\Subscribers\Statistics\SubscriberStatisticsRepository::class);
+    $container->autowire(\MailPoet\Subscribers\SubscribersCountsController::class)->setPublic(true);
     // Segments
     $container->autowire(\MailPoet\Segments\WooCommerce::class)->setPublic(true);
     $container->autowire(\MailPoet\Segments\WP::class)->setPublic(true);
diff --git a/lib/Subscribers/SubscribersCountsController.php b/lib/Subscribers/SubscribersCountsController.php
new file mode 100644
index 0000000000..dc76bb1583
--- /dev/null
+++ b/lib/Subscribers/SubscribersCountsController.php
@@ -0,0 +1,93 @@
+<?php declare(strict_types = 1);
+
+namespace MailPoet\Subscribers;
+
+use MailPoet\Cache\TransientCache;
+use MailPoet\Entities\SegmentEntity;
+use MailPoet\InvalidStateException;
+use MailPoet\Segments\SegmentsRepository;
+use MailPoet\Segments\SegmentSubscribersRepository;
+
+class SubscribersCountsController {
+  /** @var SegmentsRepository */
+  private $segmentsRepository;
+
+  /** @var SegmentSubscribersRepository */
+  private $segmentSubscribersRepository;
+
+  /** @var TransientCache */
+  private $transientCache;
+
+  public function __construct(
+    SegmentsRepository $segmentsRepository,
+    SegmentSubscribersRepository $segmentSubscribersRepository,
+    TransientCache $transientCache
+  ) {
+
+    $this->segmentSubscribersRepository = $segmentSubscribersRepository;
+    $this->transientCache = $transientCache;
+    $this->segmentsRepository = $segmentsRepository;
+  }
+
+  public function getSubscribersWithoutSegmentStatisticsCount(): array {
+    $result = $this->transientCache->getItem(TransientCache::SUBSCRIBERS_STATISTICS_COUNT_KEY, 0);
+    if (!$result) {
+      $result = $this->recalculateSubscribersWithoutSegmentStatisticsCache();
+    }
+    return $result;
+  }
+
+  public function getSegmentStatisticsCount(SegmentEntity $segment): array {
+    $result = $this->transientCache->getItem(TransientCache::SUBSCRIBERS_STATISTICS_COUNT_KEY, (int)$segment->getId());
+    if (!$result) {
+      $result = $this->recalculateSegmentStatisticsCache($segment);
+    }
+    return $result;
+  }
+
+  public function getSegmentGlobalStatusStatisticsCount(SegmentEntity $segment): array {
+    $result = $this->transientCache->getItem(TransientCache::SUBSCRIBERS_GLOBAL_STATUS_STATISTICS_COUNT_KEY, (int)$segment->getId());
+    if (!$result) {
+      $result = $this->recalculateSegmentGlobalStatusStatisticsCache($segment);
+    }
+    return $result;
+  }
+
+  public function getSegmentStatisticsCountById(int $segmentId): array {
+    $result = $this->transientCache->getItem(TransientCache::SUBSCRIBERS_STATISTICS_COUNT_KEY, $segmentId);
+    if (!$result) {
+      $segment = $this->segmentsRepository->findOneById($segmentId);
+      if (!$segment) {
+        throw new InvalidStateException();
+      }
+      $result = $this->recalculateSegmentStatisticsCache($segment);
+    }
+    return $result;
+  }
+
+  public function recalculateSegmentGlobalStatusStatisticsCache(SegmentEntity $segment): array {
+    $result = $this->segmentSubscribersRepository->getSubscribersGlobalStatusStatisticsCount($segment);
+    $this->transientCache->setItem(
+      TransientCache::SUBSCRIBERS_GLOBAL_STATUS_STATISTICS_COUNT_KEY,
+      $result,
+      (int)$segment->getId()
+    );
+    return $result;
+  }
+
+  public function recalculateSegmentStatisticsCache(SegmentEntity $segment): array {
+    $result = $this->segmentSubscribersRepository->getSubscribersStatisticsCount($segment);
+    $this->transientCache->setItem(
+      TransientCache::SUBSCRIBERS_STATISTICS_COUNT_KEY,
+      $result,
+      (int)$segment->getId()
+    );
+    return $result;
+  }
+
+  public function recalculateSubscribersWithoutSegmentStatisticsCache(): array {
+    $result = $this->segmentSubscribersRepository->getSubscribersWithoutSegmentStatisticsCount();
+    $this->transientCache->setItem(TransientCache::SUBSCRIBERS_STATISTICS_COUNT_KEY, $result, 0);
+    return $result;
+  }
+}