diff --git a/src/backend/postmaster/walsummarizer.c b/src/backend/postmaster/walsummarizer.c
index f4d61c1f3bb..4b95f6a5213 100644
--- a/src/backend/postmaster/walsummarizer.c
+++ b/src/backend/postmaster/walsummarizer.c
@@ -33,6 +33,7 @@
 #include "common/blkreftable.h"
 #include "libpq/pqsignal.h"
 #include "miscadmin.h"
+#include "pgstat.h"
 #include "postmaster/auxprocess.h"
 #include "postmaster/interrupt.h"
 #include "postmaster/walsummarizer.h"
@@ -1636,6 +1637,9 @@ summarizer_wait_for_wal(void)
 			sleep_quanta -= pages_read_since_last_sleep;
 	}
 
+	/* Report pending statistics to the cumulative stats system. */
+	pgstat_report_wal(false);
+
 	/* OK, now sleep. */
 	(void) WaitLatch(MyLatch,
 					 WL_LATCH_SET | WL_TIMEOUT | WL_EXIT_ON_PM_DEATH,
diff --git a/src/backend/replication/walreceiver.c b/src/backend/replication/walreceiver.c
index 82f7302ff9f..83129cb92af 100644
--- a/src/backend/replication/walreceiver.c
+++ b/src/backend/replication/walreceiver.c
@@ -583,6 +583,16 @@ WalReceiverMain(const void *startup_data, size_t startup_data_len)
 					 */
 					bool		requestReply = false;
 
+					/*
+					 * Report pending statistics to the cumulative stats
+					 * system.  This location is useful for the report as it
+					 * is not within a tight loop in the WAL receiver, to
+					 * avoid bloating pgstats with requests, while also making
+					 * sure that the reports happen each time a status update
+					 * is sent.
+					 */
+					pgstat_report_wal(false);
+
 					/*
 					 * Check if time since last receive from primary has
 					 * reached the configured limit.
diff --git a/src/backend/utils/activity/pgstat_io.c b/src/backend/utils/activity/pgstat_io.c
index ba11545a17f..eb575025596 100644
--- a/src/backend/utils/activity/pgstat_io.c
+++ b/src/backend/utils/activity/pgstat_io.c
@@ -435,12 +435,22 @@ pgstat_tracks_io_object(BackendType bktype, IOObject io_object,
 	 */
 	no_temp_rel = bktype == B_AUTOVAC_LAUNCHER || bktype == B_BG_WRITER ||
 		bktype == B_CHECKPOINTER || bktype == B_AUTOVAC_WORKER ||
-		bktype == B_STANDALONE_BACKEND || bktype == B_STARTUP;
+		bktype == B_STANDALONE_BACKEND || bktype == B_STARTUP ||
+		bktype == B_WAL_SUMMARIZER || bktype == B_WAL_WRITER ||
+		bktype == B_WAL_RECEIVER;
 
 	if (no_temp_rel && io_context == IOCONTEXT_NORMAL &&
 		io_object == IOOBJECT_TEMP_RELATION)
 		return false;
 
+	/*
+	 * Some BackendTypes only perform IO under IOOBJECT_WAL, hence exclude all
+	 * rows for all the other objects for these.
+	 */
+	if ((bktype == B_WAL_SUMMARIZER || bktype == B_WAL_RECEIVER ||
+		 bktype == B_WAL_WRITER) && io_object != IOOBJECT_WAL)
+		return false;
+
 	/*
 	 * Some BackendTypes do not currently perform any IO in certain
 	 * IOContexts, and, while it may not be inherently incorrect for them to
diff --git a/src/bin/pg_walsummary/t/002_blocks.pl b/src/bin/pg_walsummary/t/002_blocks.pl
index 27f29a3b0c6..270332780a4 100644
--- a/src/bin/pg_walsummary/t/002_blocks.pl
+++ b/src/bin/pg_walsummary/t/002_blocks.pl
@@ -46,6 +46,13 @@ SELECT EXISTS (
 EOM
 ok($result, "WAL summarization caught up after insert");
 
+# The WAL summarizer should have generated some IO statistics.
+my $stats_reads = $node1->safe_psql(
+	'postgres',
+	qq{SELECT sum(reads) > 0 FROM pg_stat_io
+   WHERE backend_type = 'walsummarizer' AND object = 'wal'});
+is($stats_reads, 't', "WAL summarizer generates statistics for WAL reads");
+
 # Find the highest LSN that is summarized on disk.
 my $summarized_lsn = $node1->safe_psql('postgres', <<EOM);
 SELECT MAX(end_lsn) AS summarized_lsn FROM pg_available_wal_summaries()
diff --git a/src/test/recovery/t/001_stream_rep.pl b/src/test/recovery/t/001_stream_rep.pl
index ee57d234c86..3945f00ab88 100644
--- a/src/test/recovery/t/001_stream_rep.pl
+++ b/src/test/recovery/t/001_stream_rep.pl
@@ -506,6 +506,13 @@ $node_standby_2->append_conf('postgresql.conf', "primary_slot_name = ''");
 $node_standby_2->enable_streaming($node_primary);
 $node_standby_2->reload;
 
+# The WAL receiver should have generated some IO statistics.
+my $stats_reads = $node_standby_1->safe_psql(
+	'postgres',
+	qq{SELECT sum(writes) > 0 FROM pg_stat_io
+   WHERE backend_type = 'walreceiver' AND object = 'wal'});
+is($stats_reads, 't', "WAL receiver generates statistics for WAL writes");
+
 # be sure do not streaming from cascade
 $node_standby_1->stop;