pandas 3 String Dtype in Python
From the Pandas cheat sheet · Data Types · verified Aug 2026
pandas 3 String Dtype
Use the default dedicated string dtype safely.
python
names = pd.Series(["Ana", "Ben", None], dtype="str")📌 pandas 3 infers str instead of object
🔍 Missing strings use NaN in the default str dtype
⚠️ Non-string assignment raises TypeError
🎯 Use is_string_dtype for compatibility checks
stringsdtypepandas-3
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