diff --git a/src/agents/tracing/processors.py b/src/agents/tracing/processors.py
index b61f3e7976..eef04208d2 100644
--- a/src/agents/tracing/processors.py
+++ b/src/agents/tracing/processors.py
@@ -580,6 +580,12 @@ def __init__(
         self._thread_start_lock = threading.Lock()
         self._export_lock = threading.Lock()
         self._shutdown_deadline: float | None = None
+        self._dropped_count: int = 0
+
+    @property
+    def dropped_count(self) -> int:
+        """The number of spans or traces dropped due to a full queue."""
+        return self._dropped_count
 
     def _ensure_thread_started(self) -> None:
         # Fast path without holding the lock
@@ -601,6 +607,7 @@ def on_trace_start(self, trace: Trace) -> None:
         try:
             self._queue.put_nowait(trace)
         except queue.Full:
+            self._dropped_count += 1
             logger.warning("Queue is full, dropping trace.")
 
     def on_trace_end(self, trace: Trace) -> None:
@@ -618,6 +625,7 @@ def on_span_end(self, span: Span[Any]) -> None:
         try:
             self._queue.put_nowait(span)
         except queue.Full:
+            self._dropped_count += 1
             logger.warning("Queue is full, dropping span.")
 
     def shutdown(self, timeout: float | None = None):
diff --git a/tests/test_trace_processor.py b/tests/test_trace_processor.py
index 07e975ccb9..96d30d58a3 100644
--- a/tests/test_trace_processor.py
+++ b/tests/test_trace_processor.py
@@ -105,6 +105,24 @@ def test_batch_trace_processor_queue_full(mocked_exporter):
     processor.shutdown()
 
 
+def test_batch_trace_processor_dropped_count(mocked_exporter):
+    processor = BatchTraceProcessor(exporter=mocked_exporter, max_queue_size=2, schedule_delay=0.1)
+    
+    # Fill the queue
+    processor.on_trace_start(get_trace(processor))
+    processor.on_trace_start(get_trace(processor))
+    assert processor.dropped_count == 0
+
+    # Next item should be dropped and counter incremented
+    processor.on_trace_start(get_trace(processor))
+    assert processor.dropped_count == 1
+
+    processor.on_span_end(get_span(processor))
+    assert processor.dropped_count == 2
+
+    processor.shutdown()
+
+
 def test_batch_processor_doesnt_enqueue_on_trace_end_or_span_start(mocked_exporter):
     processor = BatchTraceProcessor(exporter=mocked_exporter)