diff --git a/pandas/_libs/tslibs/offsets.pyx b/pandas/_libs/tslibs/offsets.pyx
index 1b1a497df4ca7..ac7447420596a 100644
--- a/pandas/_libs/tslibs/offsets.pyx
+++ b/pandas/_libs/tslibs/offsets.pyx
@@ -1,7 +1,6 @@
 import operator
 import re
 import time
-from typing import Any
 import warnings
 
 import cython
@@ -364,7 +363,7 @@ cdef class BaseOffset:
         self.normalize = normalize
         self._cache = {}
 
-    def __eq__(self, other: Any) -> bool:
+    def __eq__(self, other) -> bool:
         if isinstance(other, str):
             try:
                 # GH#23524 if to_offset fails, we are dealing with an
diff --git a/pandas/io/excel/_odfreader.py b/pandas/io/excel/_odfreader.py
index c105465cddd95..e0c5a2c6a7ff9 100644
--- a/pandas/io/excel/_odfreader.py
+++ b/pandas/io/excel/_odfreader.py
@@ -1,4 +1,4 @@
-from typing import List
+from __future__ import annotations
 
 import numpy as np
 
@@ -51,7 +51,7 @@ def empty_value(self) -> str:
         return ""
 
     @property
-    def sheet_names(self) -> List[str]:
+    def sheet_names(self) -> list[str]:
         """Return a list of sheet names present in the document"""
         from odf.table import Table
 
@@ -78,7 +78,7 @@ def get_sheet_by_name(self, name: str):
         self.close()
         raise ValueError(f"sheet {name} not found")
 
-    def get_sheet_data(self, sheet, convert_float: bool) -> List[List[Scalar]]:
+    def get_sheet_data(self, sheet, convert_float: bool) -> list[list[Scalar]]:
         """
         Parse an ODF Table into a list of lists
         """
@@ -96,12 +96,12 @@ def get_sheet_data(self, sheet, convert_float: bool) -> List[List[Scalar]]:
         empty_rows = 0
         max_row_len = 0
 
-        table: List[List[Scalar]] = []
+        table: list[list[Scalar]] = []
 
         for sheet_row in sheet_rows:
             sheet_cells = [x for x in sheet_row.childNodes if x.qname in cell_names]
             empty_cells = 0
-            table_row: List[Scalar] = []
+            table_row: list[Scalar] = []
 
             for sheet_cell in sheet_cells:
                 if sheet_cell.qname == table_cell_name:
diff --git a/pandas/io/excel/_pyxlsb.py b/pandas/io/excel/_pyxlsb.py
index 02b8090adcfdf..52a67336aaa82 100644
--- a/pandas/io/excel/_pyxlsb.py
+++ b/pandas/io/excel/_pyxlsb.py
@@ -1,4 +1,4 @@
-from typing import List
+from __future__ import annotations
 
 from pandas._typing import (
     FilePathOrBuffer,
@@ -47,7 +47,7 @@ def load_workbook(self, filepath_or_buffer: FilePathOrBuffer):
         return open_workbook(filepath_or_buffer)
 
     @property
-    def sheet_names(self) -> List[str]:
+    def sheet_names(self) -> list[str]:
         return self.book.sheets
 
     def get_sheet_by_name(self, name: str):
@@ -74,7 +74,7 @@ def _convert_cell(self, cell, convert_float: bool) -> Scalar:
 
         return cell.v
 
-    def get_sheet_data(self, sheet, convert_float: bool) -> List[List[Scalar]]:
+    def get_sheet_data(self, sheet, convert_float: bool) -> list[list[Scalar]]:
         data: list[list[Scalar]] = []
         prevous_row_number = -1
         # When sparse=True the rows can have different lengths and empty rows are
diff --git a/pandas/io/excel/_util.py b/pandas/io/excel/_util.py
index 6612b681a9171..7d8028de23257 100644
--- a/pandas/io/excel/_util.py
+++ b/pandas/io/excel/_util.py
@@ -1,7 +1,6 @@
-from typing import (
-    List,
-    MutableMapping,
-)
+from __future__ import annotations
+
+from typing import MutableMapping
 
 from pandas.compat._optional import import_optional_dependency
 
@@ -110,7 +109,7 @@ def _excel2num(x: str) -> int:
     return index - 1
 
 
-def _range2cols(areas: str) -> List[int]:
+def _range2cols(areas: str) -> list[int]:
     """
     Convert comma separated list of column names and ranges to indices.
 
@@ -131,7 +130,7 @@ def _range2cols(areas: str) -> List[int]:
     >>> _range2cols('A,C,Z:AB')
     [0, 2, 25, 26, 27]
     """
-    cols: List[int] = []
+    cols: list[int] = []
 
     for rng in areas.split(","):
         if ":" in rng:
diff --git a/pandas/tests/dtypes/test_common.py b/pandas/tests/dtypes/test_common.py
index 616f46624bfd7..bfe431f93b725 100644
--- a/pandas/tests/dtypes/test_common.py
+++ b/pandas/tests/dtypes/test_common.py
@@ -1,5 +1,6 @@
+from __future__ import annotations
+
 from datetime import datetime
-from typing import List
 
 import numpy as np
 import pytest
@@ -287,7 +288,7 @@ def test_is_string_dtype_nullable(nullable_string_dtype):
     assert com.is_string_dtype(pd.array(["a", "b"], dtype=nullable_string_dtype))
 
 
-integer_dtypes: List = []
+integer_dtypes: list = []
 
 
 @pytest.mark.parametrize(
@@ -319,7 +320,7 @@ def test_is_not_integer_dtype(dtype):
     assert not com.is_integer_dtype(dtype)
 
 
-signed_integer_dtypes: List = []
+signed_integer_dtypes: list = []
 
 
 @pytest.mark.parametrize(
@@ -355,7 +356,7 @@ def test_is_not_signed_integer_dtype(dtype):
     assert not com.is_signed_integer_dtype(dtype)
 
 
-unsigned_integer_dtypes: List = []
+unsigned_integer_dtypes: list = []
 
 
 @pytest.mark.parametrize(
diff --git a/pandas/tests/frame/common.py b/pandas/tests/frame/common.py
index 65f228f2be411..a1603ea3dc17a 100644
--- a/pandas/tests/frame/common.py
+++ b/pandas/tests/frame/common.py
@@ -1,4 +1,4 @@
-from typing import List
+from __future__ import annotations
 
 from pandas import (
     DataFrame,
@@ -39,7 +39,7 @@ def _check_mixed_int(df, dtype=None):
         assert df.dtypes["D"] == dtypes["D"]
 
 
-def zip_frames(frames: List[DataFrame], axis: int = 1) -> DataFrame:
+def zip_frames(frames: list[DataFrame], axis: int = 1) -> DataFrame:
     """
     take a list of frames, zip them together under the
     assumption that these all have the first frames' index/columns.
diff --git a/pandas/tests/indexes/common.py b/pandas/tests/indexes/common.py
index 0ea3abcaefcf2..cef756b709f70 100644
--- a/pandas/tests/indexes/common.py
+++ b/pandas/tests/indexes/common.py
@@ -1,6 +1,7 @@
+from __future__ import annotations
+
 from datetime import datetime
 import gc
-from typing import Type
 
 import numpy as np
 import pytest
@@ -36,7 +37,7 @@ class Base:
     Base class for index sub-class tests.
     """
 
-    _index_cls: Type[Index]
+    _index_cls: type[Index]
 
     @pytest.fixture
     def simple_index(self):
diff --git a/pandas/tests/indexing/test_coercion.py b/pandas/tests/indexing/test_coercion.py
index 26f2ba577d184..145f9741d03d1 100644
--- a/pandas/tests/indexing/test_coercion.py
+++ b/pandas/tests/indexing/test_coercion.py
@@ -1,9 +1,7 @@
+from __future__ import annotations
+
 from datetime import timedelta
 import itertools
-from typing import (
-    Dict,
-    List,
-)
 
 import numpy as np
 import pytest
@@ -1024,7 +1022,7 @@ class TestReplaceSeriesCoercion(CoercionBase):
     klasses = ["series"]
     method = "replace"
 
-    rep: Dict[str, List] = {}
+    rep: dict[str, list] = {}
     rep["object"] = ["a", "b"]
     rep["int64"] = [4, 5]
     rep["float64"] = [1.1, 2.2]
diff --git a/pandas/tests/io/xml/test_to_xml.py b/pandas/tests/io/xml/test_to_xml.py
index c588c3c3ca0bd..1e2973075f98e 100644
--- a/pandas/tests/io/xml/test_to_xml.py
+++ b/pandas/tests/io/xml/test_to_xml.py
@@ -1,9 +1,10 @@
+from __future__ import annotations
+
 from io import (
     BytesIO,
     StringIO,
 )
 import os
-from typing import Union
 
 import numpy as np
 import pytest
@@ -963,7 +964,7 @@ def test_stylesheet_file_like(datapath, mode):
 def test_stylesheet_io(datapath, mode):
     xsl_path = datapath("io", "data", "xml", "row_field_output.xsl")
 
-    xsl_obj: Union[BytesIO, StringIO]
+    xsl_obj: BytesIO | StringIO
 
     with open(xsl_path, mode) as f:
         if mode == "rb":
diff --git a/pandas/tests/io/xml/test_xml.py b/pandas/tests/io/xml/test_xml.py
index 95751b6090a06..823d155360908 100644
--- a/pandas/tests/io/xml/test_xml.py
+++ b/pandas/tests/io/xml/test_xml.py
@@ -1,9 +1,10 @@
+from __future__ import annotations
+
 from io import (
     BytesIO,
     StringIO,
 )
 import os
-from typing import Union
 from urllib.error import HTTPError
 
 import numpy as np
@@ -792,7 +793,7 @@ def test_stylesheet_io(datapath, mode):
     kml = datapath("io", "data", "xml", "cta_rail_lines.kml")
     xsl = datapath("io", "data", "xml", "flatten_doc.xsl")
 
-    xsl_obj: Union[BytesIO, StringIO]
+    xsl_obj: BytesIO | StringIO
 
     with open(xsl, mode) as f:
         if mode == "rb":
@@ -942,7 +943,7 @@ def test_stylesheet_file_close(datapath, mode):
     kml = datapath("io", "data", "xml", "cta_rail_lines.kml")
     xsl = datapath("io", "data", "xml", "flatten_doc.xsl")
 
-    xsl_obj: Union[BytesIO, StringIO]
+    xsl_obj: BytesIO | StringIO
 
     with open(xsl, mode) as f:
         if mode == "rb":
diff --git a/pandas/tests/tseries/offsets/test_offsets.py b/pandas/tests/tseries/offsets/test_offsets.py
index 8872b76cd9bce..08dbc1345b9d4 100644
--- a/pandas/tests/tseries/offsets/test_offsets.py
+++ b/pandas/tests/tseries/offsets/test_offsets.py
@@ -1,6 +1,8 @@
 """
 Tests of pandas.tseries.offsets
 """
+from __future__ import annotations
+
 from datetime import (
     datetime,
     timedelta,
diff --git a/scripts/validate_rst_title_capitalization.py b/scripts/validate_rst_title_capitalization.py
index aa17afc4c33ea..9aca47dbddbf2 100755
--- a/scripts/validate_rst_title_capitalization.py
+++ b/scripts/validate_rst_title_capitalization.py
@@ -11,14 +11,12 @@
 From the command-line:
     python scripts/validate_rst_title_capitalization.py <rst file>
 """
+from __future__ import annotations
+
 import argparse
 import re
 import sys
-from typing import (
-    Iterable,
-    List,
-    Tuple,
-)
+from typing import Iterable
 
 CAPITALIZATION_EXCEPTIONS = {
     "pandas",
@@ -201,7 +199,7 @@ def correct_title_capitalization(title: str) -> str:
     return correct_title
 
 
-def find_titles(rst_file: str) -> Iterable[Tuple[str, int]]:
+def find_titles(rst_file: str) -> Iterable[tuple[str, int]]:
     """
     Algorithm to identify particular text that should be considered headings in an
     RST file.
@@ -237,7 +235,7 @@ def find_titles(rst_file: str) -> Iterable[Tuple[str, int]]:
             previous_line = line
 
 
-def main(source_paths: List[str]) -> int:
+def main(source_paths: list[str]) -> int:
     """
     The main method to print all headings with incorrect capitalization.