diff --git a/browser/search_engines/search_engine_tracker.cc b/browser/search_engines/search_engine_tracker.cc
index e3bf4771f943..a0e07bf8cbec 100644
--- a/browser/search_engines/search_engine_tracker.cc
+++ b/browser/search_engines/search_engine_tracker.cc
@@ -44,6 +44,39 @@ void RecordSearchEngineP3A(const GURL& search_engine_url,
   UMA_HISTOGRAM_ENUMERATION(kDefaultSearchEngineMetric, answer);
 }
 
+SearchEngineSwitchP3A SearchEngineSwitchP3AMapAnswer(const GURL& to,
+                                                     const GURL& from) {
+  SearchEngineSwitchP3A answer;
+
+  DCHECK(from.is_valid());
+  DCHECK(to.is_valid());
+
+  if (from.DomainIs("brave.com")) {
+    // Switching away from Brave Search.
+    if (to.DomainIs("google.com")) {
+      answer = SearchEngineSwitchP3A::kBraveToGoogle;
+    } else if (to.DomainIs("duckduckgo.com")) {
+      answer = SearchEngineSwitchP3A::kBraveToDDG;
+    } else {
+      answer = SearchEngineSwitchP3A::kBraveToOther;
+    }
+  } else if (to.DomainIs("brave.com")) {
+    // Switching to Brave Search.
+    if (from.DomainIs("google.com")) {
+      answer = SearchEngineSwitchP3A::kGoogleToBrave;
+    } else if (from.DomainIs("duckduckgo.com")) {
+      answer = SearchEngineSwitchP3A::kDDGToBrave;
+    } else {
+      answer = SearchEngineSwitchP3A::kOtherToBrave;
+    }
+  } else {
+    // Any other transition.
+    answer = SearchEngineSwitchP3A::kOtherToOther;
+  }
+
+  return answer;
+}
+
 }  // namespace
 
 // static
@@ -89,7 +122,9 @@ SearchEngineTracker::SearchEngineTracker(
     const GURL url = template_url->GenerateSearchURL(search_terms);
     if (!url.is_empty()) {
       default_search_url_ = url;
+      previous_search_url_ = url;
       RecordSearchEngineP3A(url, template_url->GetEngineType(search_terms));
+      RecordSwitchP3A(url);
     }
   }
 }
@@ -106,5 +141,17 @@ void SearchEngineTracker::OnTemplateURLServiceChanged() {
     if (url != default_search_url_) {
       RecordSearchEngineP3A(url, template_url->GetEngineType(search_terms));
     }
+    RecordSwitchP3A(url);
   }
 }
+
+void SearchEngineTracker::RecordSwitchP3A(const GURL& url) {
+  auto answer = SearchEngineSwitchP3A::kNoSwitch;
+
+  if (url.is_valid() && url != previous_search_url_) {
+    answer = SearchEngineSwitchP3AMapAnswer(url, previous_search_url_);
+    previous_search_url_ = url;
+  }
+
+  UMA_HISTOGRAM_ENUMERATION(kSwitchSearchEngineMetric, answer);
+}
diff --git a/browser/search_engines/search_engine_tracker.h b/browser/search_engines/search_engine_tracker.h
index 14dbf1f597ae..5f49ad7e9fd6 100644
--- a/browser/search_engines/search_engine_tracker.h
+++ b/browser/search_engines/search_engine_tracker.h
@@ -17,6 +17,7 @@
 
 // Exposed for tests.
 constexpr char kDefaultSearchEngineMetric[] = "Brave.Search.DefaultEngine.4";
+constexpr char kSwitchSearchEngineMetric[] = "Brave.Search.SwitchEngine";
 
 // Note: append-only enumeration! Never remove any existing values, as this enum
 // is used to bucket a UMA histogram, and removing values breaks that.
@@ -33,6 +34,18 @@ enum class SearchEngineP3A {
   kMaxValue = kBrave,
 };
 
+enum class SearchEngineSwitchP3A {
+  kNoSwitch,
+  kBraveToGoogle,
+  kBraveToDDG,
+  kBraveToOther,
+  kGoogleToBrave,
+  kDDGToBrave,
+  kOtherToBrave,
+  kOtherToOther,
+  kMaxValue = kOtherToOther,
+};
+
 class SearchEngineTrackerFactory : public BrowserContextKeyedServiceFactory {
  public:
   static SearchEngineTrackerFactory* GetInstance();
@@ -69,8 +82,11 @@ class SearchEngineTracker : public KeyedService,
   base::ScopedObservation<TemplateURLService, TemplateURLServiceObserver>
       observer_{this};
 
+  void RecordSwitchP3A(const GURL& url);
+
   // Keeping this to check for changes in |OnTemplateURLServiceChanged|.
   GURL default_search_url_;
+  GURL previous_search_url_;
 
   TemplateURLService* template_url_service_;
 };
diff --git a/components/p3a/brave_p3a_service.cc b/components/p3a/brave_p3a_service.cc
index 4ef1a0bd164a..7d5cd8443099 100644
--- a/components/p3a/brave_p3a_service.cc
+++ b/components/p3a/brave_p3a_service.cc
@@ -82,6 +82,7 @@ constexpr const char* kCollectedHistograms[] = {
     "Brave.Rewards.WalletState",
     "Brave.Savings.BandwidthSavingsMB",
     "Brave.Search.DefaultEngine.4",
+    "Brave.Search.SwitchEngine",
     "Brave.Shields.UsageStatus",
     "Brave.SpeedReader.Enabled",
     "Brave.SpeedReader.ToggleCount",