diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 6683d2be7f3f9..9d2a1bc1236b7 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -147,6 +147,7 @@
 #include "chrome/browser/ssl/ssl_client_auth_metrics.h"
 #include "chrome/browser/ssl/ssl_client_certificate_selector.h"
 #include "chrome/browser/ssl/typed_navigation_upgrade_throttle.h"
+#include "chrome/browser/task_manager/sampling/task_manager_impl.h"
 #include "chrome/browser/tracing/chrome_tracing_delegate.h"
 #include "chrome/browser/translate/translate_service.h"
 #include "chrome/browser/ui/blocked_content/blocked_window_params.h"
@@ -336,6 +337,7 @@
 #include "services/network/public/cpp/resource_request.h"
 #include "services/network/public/cpp/self_deleting_url_loader_factory.h"
 #include "services/network/public/cpp/web_sandbox_flags.h"
+#include "services/network/public/mojom/network_service.mojom.h"
 #include "services/network/public/mojom/web_transport.mojom.h"
 #include "third_party/blink/public/common/features.h"
 #include "third_party/blink/public/common/loader/url_loader_throttle.h"
@@ -6165,6 +6167,13 @@ void ChromeContentBrowserClient::OnNetworkServiceCreated(
 
   SystemNetworkContextManager::GetInstance()->OnNetworkServiceCreated(
       network_service);
+
+#if !BUILDFLAG(IS_ANDROID)
+  if (task_manager::TaskManagerImpl::IsCreated() &&
+      task_manager::TaskManagerImpl::GetInstance()->is_running()) {
+    network_service->EnableDataUseUpdates(true);
+  }
+#endif
 }
 
 void ChromeContentBrowserClient::ConfigureNetworkContextParams(
@@ -6607,8 +6616,11 @@ void ChromeContentBrowserClient::OnNetworkServiceDataUseUpdate(
       render_frame_host_id, recv_bytes, sent_bytes);
 #endif
 
-  ChromeDataUseMeasurement::GetInstance().ReportNetworkServiceDataUse(
-      network_traffic_annotation_id_hash, recv_bytes, sent_bytes);
+  if (!base::FeatureList::IsEnabled(
+          network::features::kLessChattyNetworkService)) {
+    ChromeDataUseMeasurement::GetInstance().ReportNetworkServiceDataUse(
+        network_traffic_annotation_id_hash, recv_bytes, sent_bytes);
+  }
 }
 
 base::FilePath
diff --git a/chrome/browser/data_use_measurement/chrome_data_use_measurement_browsertest.cc b/chrome/browser/data_use_measurement/chrome_data_use_measurement_browsertest.cc
index 79ffa12626af5..31b582e4aefc6 100644
--- a/chrome/browser/data_use_measurement/chrome_data_use_measurement_browsertest.cc
+++ b/chrome/browser/data_use_measurement/chrome_data_use_measurement_browsertest.cc
@@ -11,9 +11,11 @@
 #include "chrome/browser/ui/browser.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
+#include "components/metrics/content/subprocess_metrics_provider.h"
 #include "content/public/test/browser_test.h"
 #include "content/public/test/browser_test_utils.h"
 #include "content/public/test/content_browser_test.h"
+#include "services/network/public/cpp/features.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 class ChromeDataUseMeasurementBrowserTest : public InProcessBrowserTest {
@@ -33,6 +35,11 @@ class ChromeDataUseMeasurementBrowserTest : public InProcessBrowserTest {
     do {
       base::ThreadPoolInstance::Get()->FlushForTesting();
       base::RunLoop().RunUntilIdle();
+      if (base::FeatureList::IsEnabled(
+              network::features::kLessChattyNetworkService)) {
+        content::FetchHistogramsFromChildProcesses();
+        metrics::SubprocessMetricsProvider::MergeHistogramDeltasForTesting();
+      }
     } while (GetTotalDataUse() == 0);
   }
 
diff --git a/chrome/browser/task_manager/sampling/task_manager_impl.cc b/chrome/browser/task_manager/sampling/task_manager_impl.cc
index b0692b9846095..286d0aa53d092 100644
--- a/chrome/browser/task_manager/sampling/task_manager_impl.cc
+++ b/chrome/browser/task_manager/sampling/task_manager_impl.cc
@@ -36,6 +36,7 @@
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_features.h"
 #include "services/network/public/cpp/features.h"
+#include "services/network/public/mojom/network_service.mojom.h"
 #include "services/resource_coordinator/public/cpp/memory_instrumentation/memory_instrumentation.h"
 
 #if BUILDFLAG(IS_CHROMEOS_ASH)
@@ -643,6 +644,8 @@ void TaskManagerImpl::StartUpdating() {
 
   is_running_ = true;
 
+  content::GetNetworkService()->EnableDataUseUpdates(true);
+
   for (const auto& provider : task_providers_)
     provider->SetObserver(this);
 
@@ -657,6 +660,8 @@ void TaskManagerImpl::StopUpdating() {
 
   is_running_ = false;
 
+  content::GetNetworkService()->EnableDataUseUpdates(false);
+
   for (const auto& provider : task_providers_)
     provider->ClearObserver();
 
diff --git a/chrome/browser/task_manager/sampling/task_manager_impl.h b/chrome/browser/task_manager/sampling/task_manager_impl.h
index c9f35f4becdc6..3d33db4b100d7 100644
--- a/chrome/browser/task_manager/sampling/task_manager_impl.h
+++ b/chrome/browser/task_manager/sampling/task_manager_impl.h
@@ -110,6 +110,8 @@ class TaskManagerImpl : public TaskManagerInterface,
       int64_t recv_bytes,
       int64_t sent_bytes);
 
+  bool is_running() const { return is_running_; }
+
  private:
   using PidToTaskGroupMap =
       std::map<base::ProcessId, std::unique_ptr<TaskGroup>>;
diff --git a/services/network/network_service.cc b/services/network/network_service.cc
index c12342762a35e..a5df705bbaeff 100644
--- a/services/network/network_service.cc
+++ b/services/network/network_service.cc
@@ -771,6 +771,10 @@ void NetworkService::ParseHeaders(
   std::move(callback).Run(PopulateParsedHeaders(headers.get(), url));
 }
 
+void NetworkService::EnableDataUseUpdates(bool enable) {
+  data_use_updates_enabled_ = enable;
+}
+
 #if BUILDFLAG(IS_CT_SUPPORTED)
 void NetworkService::ClearSCTAuditingCache() {
   sct_auditing_cache_->ClearCache();
diff --git a/services/network/network_service.h b/services/network/network_service.h
index 73516a0aae1c1..9b3ad0c2b5cc8 100644
--- a/services/network/network_service.h
+++ b/services/network/network_service.h
@@ -194,6 +194,7 @@ class COMPONENT_EXPORT(NETWORK_SERVICE) NetworkService
   void ParseHeaders(const GURL& url,
                     const scoped_refptr<net::HttpResponseHeaders>& headers,
                     ParseHeadersCallback callback) override;
+  void EnableDataUseUpdates(bool enable) override;
 #if BUILDFLAG(IS_CT_SUPPORTED)
   void ClearSCTAuditingCache() override;
   void ConfigureSCTAuditing(
@@ -302,6 +303,8 @@ class COMPONENT_EXPORT(NETWORK_SERVICE) NetworkService
 
   base::Time pins_list_update_time() const { return pins_list_update_time_; }
 
+  bool data_use_updates_enabled() const { return data_use_updates_enabled_; }
+
   mojom::URLLoaderNetworkServiceObserver*
   GetDefaultURLLoaderNetworkServiceObserver();
 
@@ -440,6 +443,8 @@ class COMPONENT_EXPORT(NETWORK_SERVICE) NetworkService
 
   base::Time pins_list_update_time_;
 
+  bool data_use_updates_enabled_ = false;
+
   // This is used only in tests. It avoids leaky SystemDnsConfigChangeNotifiers
   // leaking stale listeners between tests.
   std::unique_ptr<net::NetworkChangeNotifier> mock_network_change_notifier_;
diff --git a/services/network/public/mojom/network_service.mojom b/services/network/public/mojom/network_service.mojom
index 0a556bf46e7b4..41e18bbf3f924 100644
--- a/services/network/public/mojom/network_service.mojom
+++ b/services/network/public/mojom/network_service.mojom
@@ -368,4 +368,9 @@ interface NetworkService {
   // Extensions, etc.
   ParseHeaders(url.mojom.Url url, HttpResponseHeaders headers)
       => (ParsedHeaders parsed_headers);
+
+  // Enables or disables whether URLLoaders need to call
+  // URLLoaderNetworkServiceObserver::OnDataUseUpdate. By default it's not
+  // enabled.
+  EnableDataUseUpdates(bool enable);
 };
diff --git a/services/network/test/url_loader_context_for_tests.cc b/services/network/test/url_loader_context_for_tests.cc
index c4969e12c53fd..805f89a15d7ae 100644
--- a/services/network/test/url_loader_context_for_tests.cc
+++ b/services/network/test/url_loader_context_for_tests.cc
@@ -70,4 +70,8 @@ corb::PerFactoryState& URLLoaderContextForTests::GetMutableCorbState() {
   return corb_state_;
 }
 
+bool URLLoaderContextForTests::DataUseUpdatesEnabled() {
+  return false;
+}
+
 }  // namespace network
diff --git a/services/network/test/url_loader_context_for_tests.h b/services/network/test/url_loader_context_for_tests.h
index d25cc252dfade..5a2f2db2d6b2d 100644
--- a/services/network/test/url_loader_context_for_tests.h
+++ b/services/network/test/url_loader_context_for_tests.h
@@ -54,6 +54,7 @@ class URLLoaderContextForTests : public URLLoaderContext {
   scoped_refptr<ResourceSchedulerClient> GetResourceSchedulerClient()
       const override;
   corb::PerFactoryState& GetMutableCorbState() override;
+  bool DataUseUpdatesEnabled() override;
 
  private:
   mojom::URLLoaderFactoryParams factory_params_;
diff --git a/services/network/url_loader.cc b/services/network/url_loader.cc
index 260c0d761c657..d385292aa95cc 100644
--- a/services/network/url_loader.cc
+++ b/services/network/url_loader.cc
@@ -549,7 +549,8 @@ URLLoader::URLLoader(
       allow_http1_for_streaming_upload_(
           request.request_body &&
           request.request_body->AllowHTTP1ForStreamingUpload()),
-      accept_ch_frame_observer_(std::move(accept_ch_frame_observer)) {
+      accept_ch_frame_observer_(std::move(accept_ch_frame_observer)),
+      provide_data_use_updates_(context.DataUseUpdatesEnabled()) {
   TRACE_EVENT("loading", "URLLoader::URLLoader",
               perfetto::Flow::FromPointer(this));
   DCHECK(delete_callback_);
@@ -2046,13 +2047,26 @@ void URLLoader::NotifyCompleted(int error_code) {
     upload_progress_tracker_ = nullptr;
   }
 
-  if (url_loader_network_observer_ &&
-      (url_request_->GetTotalReceivedBytes() > 0 ||
-       url_request_->GetTotalSentBytes() > 0)) {
-    url_loader_network_observer_->OnDataUseUpdate(
-        url_request_->traffic_annotation().unique_id_hash_code,
-        url_request_->GetTotalReceivedBytes(),
-        url_request_->GetTotalSentBytes());
+  auto total_received = url_request_->GetTotalReceivedBytes();
+  auto total_sent = url_request_->GetTotalSentBytes();
+  if (base::FeatureList::IsEnabled(features::kLessChattyNetworkService)) {
+    if (total_received > 0) {
+      base::UmaHistogramCustomCounts("DataUse.BytesReceived3.Delegate",
+                                     total_received, 50, 10 * 1000 * 1000, 50);
+    }
+
+    if (total_sent > 0) {
+      UMA_HISTOGRAM_COUNTS_1M("DataUse.BytesSent3.Delegate", total_sent);
+    }
+  }
+  if ((total_received > 0 || total_sent > 0)) {
+    if (url_loader_network_observer_ &&
+        (!base::FeatureList::IsEnabled(features::kLessChattyNetworkService) ||
+         provide_data_use_updates_)) {
+      url_loader_network_observer_->OnDataUseUpdate(
+          url_request_->traffic_annotation().unique_id_hash_code,
+          total_received, total_sent);
+    }
   }
 
   if (url_loader_client_.Get()) {
diff --git a/services/network/url_loader.h b/services/network/url_loader.h
index 7293516425c03..4b2017860a110 100644
--- a/services/network/url_loader.h
+++ b/services/network/url_loader.h
@@ -681,6 +681,8 @@ class COMPONENT_EXPORT(NETWORK_SERVICE) URLLoader
   bool allow_cookies_from_browser_ = false;
   std::string cookies_from_browser_;
 
+  const bool provide_data_use_updates_;
+
   base::WeakPtrFactory<URLLoader> weak_ptr_factory_{this};
 };
 
diff --git a/services/network/url_loader_context.h b/services/network/url_loader_context.h
index 4b61d5aa48a71..c8fafa2605362 100644
--- a/services/network/url_loader_context.h
+++ b/services/network/url_loader_context.h
@@ -53,6 +53,7 @@ class COMPONENT_EXPORT(NETWORK_SERVICE) URLLoaderContext {
   virtual scoped_refptr<ResourceSchedulerClient> GetResourceSchedulerClient()
       const = 0;
   virtual corb::PerFactoryState& GetMutableCorbState() = 0;
+  virtual bool DataUseUpdatesEnabled() = 0;
 
  protected:
   // `protected` destructor = can only destruct via concrete implementations
diff --git a/services/network/url_loader_factory.cc b/services/network/url_loader_factory.cc
index b86541a4b61d5..b6b7b1335f559 100644
--- a/services/network/url_loader_factory.cc
+++ b/services/network/url_loader_factory.cc
@@ -172,6 +172,11 @@ corb::PerFactoryState& URLLoaderFactory::GetMutableCorbState() {
   return corb_state_;
 }
 
+bool URLLoaderFactory::DataUseUpdatesEnabled() {
+  return context_->network_service() &&
+         context_->network_service()->data_use_updates_enabled();
+}
+
 void URLLoaderFactory::CreateLoaderAndStartWithSyncClient(
     mojo::PendingReceiver<mojom::URLLoader> receiver,
     int32_t request_id,
diff --git a/services/network/url_loader_factory.h b/services/network/url_loader_factory.h
index de281673dcaa5..2c2e820882419 100644
--- a/services/network/url_loader_factory.h
+++ b/services/network/url_loader_factory.h
@@ -84,6 +84,7 @@ class URLLoaderFactory : public mojom::URLLoaderFactory,
   scoped_refptr<ResourceSchedulerClient> GetResourceSchedulerClient()
       const override;
   corb::PerFactoryState& GetMutableCorbState() override;
+  bool DataUseUpdatesEnabled() override;
 
   // Allows starting a URLLoader with a synchronous URLLoaderClient as an
   // optimization.