Mapping Languages: The Corpus of Global Language Use
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Abstract (arXiv)
This paper describes a web-based corpus of global language use with a focus on how this corpus can be used for data-driven language mapping. First, the corpus provides a representation of where national varieties of major languages are used (e.g., English, Arabic, Russian) together with consistently collected data for each variety. Second, the paper evaluates a language identification model that supports more local languages with smaller sample sizes than alternative off-the-shelf models. Improved language identification is essential for moving beyond majority languages. Given the focus on language mapping, the paper analyzes how well this digital language data represents actual populations by (i) systematically comparing the corpus with demographic ground-truth data and (ii) triangulating the corpus with an alternate Twitter-based dataset. In total, the corpus contains 423 billion words representing 148 languages (with over 1 million words from each language) and 158 countries (again with over 1 million words from each country), all distilled from Common Crawl web data. The main contribution of this paper, in addition to describing this publicly-available corpus, is to provide a comprehensive analysis of the relationship between two sources of digital data (the web and Twitter) as well as their connection to underlying populations.
Key facts. Cited by 42 papers in the map (data through 7 Oct 2026). First posted on arXiv 2 Apr 2020.
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Citing papers per year: 2021: 5; 2022: 8; 2023: 9; 2024: 12; 2025: 3; 2026: 5.
42 papers.
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- 2023Glot500: Scaling Multilingual Corpora and Language Models to 500 Languagescited by 116
- 2022Building Machine Translation Systems for the Next Thousand Languagescited by 69
- 2023An Open Dataset and Model for Language Identificationcited by 49
- 2022AfroLID: A Neural Language Identification Tool for African Languagescited by 38
- 2021Disembodied Machine Learning: On the Illusion of Objectivity in NLPcited by 37
- 2023GlotLID: Language Identification for Low-Resource Languagescited by 37
- 2024Goldfish: Monolingual Language Models for 350 Languagescited by 27
- 2024EMMA-500: Enhancing Massively Multilingual Adaptation of Large Language Modelscited by 16
- 2024GlotCC: An Open Broad-Coverage CommonCrawl Corpus and Pipeline for Minority Languagescited by 15
- 2021Representations of Language Varieties Are Reliable Given Corpus Similarity Measurescited by 10
- 2024MaskLID: Code-Switching Language Identification through Iterative Maskingcited by 10
- 2026The Roots of Performance Disparity in Multilingual Language Models: Intrinsic Modeling Difficulty or Design Choices?cited by 10
30 more
- 2021Learned Construction Grammars Converge Across Registers Given Increased Exposurecited by 6
- 2022Exposure and Emergence in Usage-Based Grammar: Computational Experiments in 35 Languagescited by 6
- 2024Geographically-Informed Language Identificationcited by 6
- 2024Pre-Trained Language Models Represent Some Geographic Populations Better Than Otherscited by 6
- 2022Stability of Syntactic Dialect Classification Over Space and Timecited by 5
- 2024Large corpora and large language models: a replicable method for automating grammatical annotationcited by 5
- 2025ConLID: Supervised Contrastive Learning for Low-Resource Language Identificationcited by 5
- 2026CommonLID: Re-evaluating State-of-the-Art Language Identification Performance on Web Datacited by 5
- 2022Corpus Similarity Measures Remain Robust Across Diverse Languagescited by 4
- 2023AfroDigits: A Community-Driven Spoken Digit Dataset for African Languagescited by 4
- 2021Capturing the diversity of multilingual societiescited by 3
- 2022Language Identification for Austronesian Languagescited by 3
- 2022Predicting Embedding Reliability in Low-Resource Settings Using Corpus Similarity Measurescited by 3
- 2022Register Variation Remains Stable Across 60 Languagescited by 3
- 2023Exploring the Constructicon: Linguistic Analysis of a Computational CxGcited by 3
- 2023Variation and Instability in Dialect-Based Embedding Spacescited by 3
- 2023cantnlp@LT-EDI-2023: Homophobia/Transphobia Detection in Social Media Comments using Spatio-Temporally Retrained Language Modelscited by 3
- 2024Code-Switched Language Identification is Harder Than You Thinkcited by 3
- 2023Comparing Measures of Linguistic Diversity Across Social Media Language Data and Census Data at Subnational Geographic Areascited by 1
- 2023Syntactic Variation Across the Grammar: Modelling a Complex Adaptive Systemcited by 1
- 2024Ethics Whitepaper: Whitepaper on Ethical Research into Large Language Modelscited by 1
- 2021Measuring Linguistic Diversity During COVID-19cited by 0
- 2024cantnlp@LT-EDI-2024: Automatic Detection of Anti-LGBTQ+ Hate Speech in Under-resourced Languagescited by 0
- 2024Validating and Exploring Large Geographic Corporacited by 0
- 2024Sociocultural Considerations in Monitoring Anti-LGBTQ+ Content on Social Mediacited by 0
- 2025Detecting Linguistic Diversity on Social Mediacited by 0
- 2025Stronger Together: Unleashing the Social Impact of Hate Speech Researchcited by 0
- 2026cantnlp@DravidianLangTech 2026: organic domain adaptation improves multi-class hope speech detection in Tulucited by 0
- 2026Improving Language Identification for Code-Switched Utterances with Integer Linear Programmingcited by 0
- 2026FineWeb-CLaR: Culture, Language, and Region Annotations for Benchmark-Aligned Corpus Auditingcited by 0
- 2026FineWeb-CLaR: Culture, Language, and Region Annotations for Benchmark-Aligned Corpus Auditing21 Sep 2026
- 2026Improving Language Identification for Code-Switched Utterances with Integer Linear Programming4 Sep 2026
- 2026cantnlp@DravidianLangTech 2026: organic domain adaptation improves multi-class hope speech detection in Tulu10 May 2026
- 2026CommonLID: Re-evaluating State-of-the-Art Language Identification Performance on Web Data25 Jan 2026
- 2026The Roots of Performance Disparity in Multilingual Language Models: Intrinsic Modeling Difficulty or Design Choices?12 Jan 2026
- 2025ConLID: Supervised Contrastive Learning for Low-Resource Language Identification18 Jun 2025
- 2025Stronger Together: Unleashing the Social Impact of Hate Speech Research19 May 2025
- 2025Detecting Linguistic Diversity on Social Media28 Feb 2025
- 2024Large corpora and large language models: a replicable method for automating grammatical annotation18 Nov 2024
- 2024GlotCC: An Open Broad-Coverage CommonCrawl Corpus and Pipeline for Minority Languages31 Oct 2024
- 2024Ethics Whitepaper: Whitepaper on Ethical Research into Large Language Models17 Oct 2024
- 2024EMMA-500: Enhancing Massively Multilingual Adaptation of Large Language Models26 Sep 2024
30 more
- 2024Goldfish: Monolingual Language Models for 350 Languages19 Aug 2024
- 2024Sociocultural Considerations in Monitoring Anti-LGBTQ+ Content on Social Media1 Jul 2024
- 2024MaskLID: Code-Switching Language Identification through Iterative Masking10 Jun 2024
- 2024Pre-Trained Language Models Represent Some Geographic Populations Better Than Others16 Mar 2024
- 2024Geographically-Informed Language Identification14 Mar 2024
- 2024Validating and Exploring Large Geographic Corpora13 Mar 2024
- 2024Code-Switched Language Identification is Harder Than You Think2 Feb 2024
- 2024cantnlp@LT-EDI-2024: Automatic Detection of Anti-LGBTQ+ Hate Speech in Under-resourced Languages28 Jan 2024
- 2023GlotLID: Language Identification for Low-Resource Languages24 Oct 2023
- 2023Syntactic Variation Across the Grammar: Modelling a Complex Adaptive System21 Sep 2023
- 2023Comparing Measures of Linguistic Diversity Across Social Media Language Data and Census Data at Subnational Geographic Areas21 Aug 2023
- 2023cantnlp@LT-EDI-2023: Homophobia/Transphobia Detection in Social Media Comments using Spatio-Temporally Retrained Language Models20 Aug 2023
- 2023An Open Dataset and Model for Language Identification23 May 2023
- 2023Glot500: Scaling Multilingual Corpora and Language Models to 500 Languages20 May 2023
- 2023Variation and Instability in Dialect-Based Embedding Spaces27 Mar 2023
- 2023AfroDigits: A Community-Driven Spoken Digit Dataset for African Languages22 Mar 2023
- 2023Exploring the Constructicon: Linguistic Analysis of a Computational CxG30 Jan 2023
- 2022Exposure and Emergence in Usage-Based Grammar: Computational Experiments in 35 Languages25 Nov 2022
- 2022AfroLID: A Neural Language Identification Tool for African Languages21 Oct 2022
- 2022Register Variation Remains Stable Across 60 Languages20 Sep 2022
- 2022Stability of Syntactic Dialect Classification Over Space and Time11 Sep 2022
- 2022Corpus Similarity Measures Remain Robust Across Diverse Languages9 Jun 2022
- 2022Predicting Embedding Reliability in Low-Resource Settings Using Corpus Similarity Measures9 Jun 2022
- 2022Language Identification for Austronesian Languages9 Jun 2022
- 2022Building Machine Translation Systems for the Next Thousand Languages9 May 2022
- 2021Learned Construction Grammars Converge Across Registers Given Increased Exposure12 Oct 2021
- 2021Capturing the diversity of multilingual societies6 May 2021
- 2021Representations of Language Varieties Are Reliable Given Corpus Similarity Measures3 Apr 2021
- 2021Measuring Linguistic Diversity During COVID-193 Apr 2021
- 2021Disembodied Machine Learning: On the Illusion of Objectivity in NLP28 Jan 2021
- 2023Glot500: Scaling Multilingual Corpora and Language Models to 500 Languagescited by 116
- 2022Building Machine Translation Systems for the Next Thousand Languagescited by 69
- 2023An Open Dataset and Model for Language Identificationcited by 49
- 2022AfroLID: A Neural Language Identification Tool for African Languagescited by 38
- 2021Disembodied Machine Learning: On the Illusion of Objectivity in NLPcited by 37
- 2023GlotLID: Language Identification for Low-Resource Languagescited by 37
- 2024Goldfish: Monolingual Language Models for 350 Languagescited by 27
- 2024EMMA-500: Enhancing Massively Multilingual Adaptation of Large Language Modelscited by 16
- 2024GlotCC: An Open Broad-Coverage CommonCrawl Corpus and Pipeline for Minority Languagescited by 15
- 2021Representations of Language Varieties Are Reliable Given Corpus Similarity Measurescited by 10
- 2024MaskLID: Code-Switching Language Identification through Iterative Maskingcited by 10
- 2026The Roots of Performance Disparity in Multilingual Language Models: Intrinsic Modeling Difficulty or Design Choices?cited by 10
12 most cited of 42 All 42 (JSON)
- 2026FineWeb-CLaR: Culture, Language, and Region Annotations for Benchmark-Aligned Corpus Auditing21 Sep 2026
- 2026Improving Language Identification for Code-Switched Utterances with Integer Linear Programming4 Sep 2026
- 2026cantnlp@DravidianLangTech 2026: organic domain adaptation improves multi-class hope speech detection in Tulu10 May 2026
- 2026CommonLID: Re-evaluating State-of-the-Art Language Identification Performance on Web Data25 Jan 2026
- 2026The Roots of Performance Disparity in Multilingual Language Models: Intrinsic Modeling Difficulty or Design Choices?12 Jan 2026
- 2025ConLID: Supervised Contrastive Learning for Low-Resource Language Identification18 Jun 2025
- 2025Stronger Together: Unleashing the Social Impact of Hate Speech Research19 May 2025
- 2025Detecting Linguistic Diversity on Social Media28 Feb 2025
- 2024Large corpora and large language models: a replicable method for automating grammatical annotation18 Nov 2024
- 2024GlotCC: An Open Broad-Coverage CommonCrawl Corpus and Pipeline for Minority Languages31 Oct 2024
- 2024Ethics Whitepaper: Whitepaper on Ethical Research into Large Language Models17 Oct 2024
- 2024EMMA-500: Enhancing Massively Multilingual Adaptation of Large Language Models26 Sep 2024
12 newest of 42 All 42 (JSON)