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ai4privacy/pii-masking-micro-100k

PII Masking Micro: Multilingual Sample A micro-sized stratified sample of pii-masking-openpii-1.5m, the flagship release of the PII-Masking-3M family. Sampled proportionally by (source_dataset, language) so every locale and label gets representation. Asia Pacific rows appear first. 📖 More information: www.ai4privacy.com/datasets/pii-masking-3m-asia-pacific Dataset Details Total Examples Train Validation Labels Languages Regions Annotations Format… See the full description on the dataset page: https://huggingface.co/datasets/ai4privacy/pii-masking-micro-100k.

sourceHugging Faceotherupdated 4mo agoView on Hugging Face
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Dataset Card

PII Masking Micro: Multilingual Sample

<p align="center"> <img src="assets/piimasking3m_coverage.png" alt="PII-Masking-3M Coverage" width="500"/> </p>

A micro-sized stratified sample of pii-masking-openpii-1.5m, the flagship release of the PII-Masking-3M family. Sampled proportionally by (source_dataset, language) so every locale and label gets representation. Asia Pacific rows appear first.

📖 More information: www.ai4privacy.com/datasets/pii-masking-3m-asia-pacific

Dataset Details

Total ExamplesTrainValidationLabelsLanguagesRegionsAnnotationsFormatLicense
99,99090,0009,990193037725,798JSONLCC-BY-4.0

Language Coverage

<p align="center"> <img src="assets/language_distribution.png" alt="Language Distribution" width="800"/> </p>

Label Taxonomy (19 Labels)

<p align="center"> <img src="assets/label_distribution.png" alt="Label Distribution" width="800"/> </p>

LabelCountLabelCountLabelCount
GIVENNAME85,682AGE36,229GENDER19,710
DATE84,582STREET34,171TAXNUM19,362
SURNAME72,604BUILDINGNUM33,649SEX18,572
EMAIL54,095ZIPCODE30,528SOCIALNUM17,092
CITY49,804IDCARDNUM23,956PASSPORTNUM14,757
TITLE47,043CREDITCARDNUMBER23,295
TELEPHONENUM40,698DRIVERLICENSENUM19,969

Usage

python
from datasets import load_dataset
ds = load_dataset("ai4privacy/pii-masking-micro-100k")

PII-Masking-3M Tiers

License

CC-BY-4.0. Copyright © 2026 Ai Suisse SA. Contains synthetic PII only, no real personal data.

Legal Disclaimer

Provided "as is" without warranties of any kind. Users are responsible for compliance with all applicable data privacy laws (GDPR, CCPA, PDPA, APPI, PIPA, UU PDP) and AI regulations.