diff --git a/changelog/6599.bugfix.rst b/changelog/6599.bugfix.rst
new file mode 100644
index 00000000000..4c1208c97f8
--- /dev/null
+++ b/changelog/6599.bugfix.rst
@@ -0,0 +1 @@
+Fix percentage progress report with duplicate nodeids.
diff --git a/src/_pytest/terminal.py b/src/_pytest/terminal.py
index 078f9ee8c49..cd97fa3a637 100644
--- a/src/_pytest/terminal.py
+++ b/src/_pytest/terminal.py
@@ -12,10 +12,10 @@
 from typing import Any
 from typing import Callable
 from typing import Dict
+from typing import Generator
 from typing import List
 from typing import Mapping
 from typing import Optional
-from typing import Set
 from typing import Tuple
 
 import attr
@@ -278,7 +278,7 @@ def __init__(self, config: Config, file=None) -> None:
         self.reportchars = getreportopt(config)
         self.hasmarkup = self._tw.hasmarkup
         self.isatty = file.isatty()
-        self._progress_nodeids_reported = set()  # type: Set[str]
+        self._progress_items_reported = 0
         self._show_progress_info = self._determine_show_progress_info()
         self._collect_report_last_write = None  # type: Optional[float]
 
@@ -440,6 +440,8 @@ def pytest_runtest_logreport(self, report: TestReport) -> None:
         else:
             markup = None
         self._add_stats(category, [rep])
+        if rep.when == "call" or (rep.when == "setup" and rep.failed):
+            self._progress_items_reported += 1
         if not letter and not word:
             # probably passed setup/teardown
             return
@@ -462,7 +464,6 @@ def pytest_runtest_logreport(self, report: TestReport) -> None:
             else:
                 self._tw.write(letter, **markup)
         else:
-            self._progress_nodeids_reported.add(rep.nodeid)
             line = self._locationline(rep.nodeid, *rep.location)
             if not running_xdist:
                 self.write_ensure_prefix(line, word, **markup)
@@ -483,43 +484,51 @@ def pytest_runtest_logreport(self, report: TestReport) -> None:
 
     @property
     def _is_last_item(self):
-        return len(self._progress_nodeids_reported) == self._session.testscollected
+        return self._progress_items_reported == self._session.testscollected
 
-    def pytest_runtest_logfinish(self, nodeid):
-        assert self._session
-        if self.verbosity <= 0 and self._show_progress_info:
-            if self._show_progress_info == "count":
-                num_tests = self._session.testscollected
-                progress_length = len(" [{}/{}]".format(str(num_tests), str(num_tests)))
-            else:
-                progress_length = len(" [100%]")
+    def pytest_runtest_logfinish(self) -> None:
+        """Write progress if past edge."""
+        if self.verbosity >= 0 or not self._show_progress_info:
+            return
 
-            self._progress_nodeids_reported.add(nodeid)
+        if self._show_progress_info == "count":
+            assert self._session
+            num_tests = self._session.testscollected
+            progress_length = len(" [{0}/{0}]".format(num_tests))
+        else:
+            progress_length = len(" [100%]")
 
-            if self._is_last_item:
-                self._write_progress_information_filling_space()
-            else:
-                main_color, _ = self._get_main_color()
-                w = self._width_of_current_line
-                past_edge = w + progress_length + 1 >= self._screen_width
-                if past_edge:
-                    msg = self._get_progress_information_message()
-                    self._tw.write(msg + "\n", **{main_color: True})
+        w = self._width_of_current_line
+        past_edge = w + progress_length + 1 >= self._screen_width
+        if past_edge:
+            msg = self._get_progress_information_message()
+            main_color, _ = self._get_main_color()
+            self._tw.write(msg + "\n", **{main_color: True})
+
+    @pytest.hookimpl(hookwrapper=True)
+    def pytest_runtestloop(self) -> Generator[None, None, None]:
+        """Write final progress indicator."""
+        yield
+        if (
+            getattr(self, "_tests_ran", False)
+            and self.verbosity <= 0
+            and self._show_progress_info
+        ):
+            self._write_progress_information_filling_space()
 
     def _get_progress_information_message(self) -> str:
         assert self._session
         collected = self._session.testscollected
         if self._show_progress_info == "count":
             if collected:
-                progress = self._progress_nodeids_reported
                 counter_format = "{{:{}d}}".format(len(str(collected)))
                 format_string = " [{}/{{}}]".format(counter_format)
-                return format_string.format(len(progress), collected)
+                return format_string.format(self._progress_items_reported, collected)
             return " [ {} / {} ]".format(collected, collected)
         else:
             if collected:
                 return " [{:3d}%]".format(
-                    len(self._progress_nodeids_reported) * 100 // collected
+                    self._progress_items_reported * 100 // collected
                 )
             return " [100%]"
 
diff --git a/testing/test_terminal.py b/testing/test_terminal.py
index 3a49a3f134a..efcb47c6341 100644
--- a/testing/test_terminal.py
+++ b/testing/test_terminal.py
@@ -1687,6 +1687,46 @@ def test_normal(self, many_tests_files, testdir):
             ]
         )
 
+    def test_same_nodeids(self, testdir: Testdir, color_mapping) -> None:
+        p1 = testdir.makeconftest(
+            """
+            def pytest_collection_modifyitems(items):
+                for item in items[1:]:
+                    item._nodeid = items[0].nodeid
+            """
+        )
+        p1 = testdir.makepyfile(
+            """
+            import pytest
+
+            @pytest.fixture
+            def err_setup():
+                assert 0, "setup-error"
+
+            @pytest.fixture
+            def err_teardown():
+                yield
+                assert 0, "teardown-error"
+
+            def test1(err_setup): pass
+            def test2(err_teardown): pass
+            def test3(): pass
+            def test4(): pass
+            """
+        )
+        result = testdir.runpytest("-v", str(p1))
+        result.stdout.fnmatch_lines(
+            color_mapping.format_for_fnmatch(
+                [
+                    "test_same_nodeids.py::test1 ERROR  * [ 25%]",
+                    "test_same_nodeids.py::test1 PASSED * [ 50%]",
+                    "test_same_nodeids.py::test1 ERROR  * [ 50%]",
+                    "test_same_nodeids.py::test1 PASSED * [ 75%]",
+                    "test_same_nodeids.py::test1 PASSED * [100%]",
+                ]
+            )
+        )
+
     def test_colored_progress(self, testdir, monkeypatch, color_mapping):
         monkeypatch.setenv("PY_COLORS", "1")
         testdir.makepyfile(