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Title page 1

Contents 1

Abstract 2

1. Introduction 4

2. Using Website Traffic Data to Measure GenAI Adoption 9

3. The Rise of New Tools and Intensifying Competition 11

3.1. The Emergence of New Tools 12

3.2. Dominance of Chatbots and ChatGPT 14

3.3. Rising Popularity of Image, Audio, and Video Generation Tools 17

4. Broadening User Base, Increasing Usage Intensity, and Widening Divide across Income Groups 19

4.1. Trends in Total Traffic by Country Income Group 19

4.2. Decomposition of Traffic Growth 22

4.3. Extensive Margin 25

4.4. Intensive Margin 26

4.5. Growth Dynamics by Country 28

5. Regional Preferences and Localization Effects 31

6. Conclusion 34

References 36

A. Appendix: Additional Figures and Tables 39

Tables 13

Table 1. List of selected Generative AI tools 13

Table 2. ChatGPT Traffic over Years 15

Table 3. Extensive and IntensiveMargin of ChatGPT Usage 24

Table 4. Correlation betwen Chatbot GenAI growth and country factors 31

Figures 14

Figure 1. Monthly visits (in millions) of 60 selected GenAI tools (April 2025) 14

Figure 2. Monthly Visits by GenAI Tool Category (2022-2025) 15

Figure 3. ChatGPT monthly visits and unique users 16

Figure 4. Monthly traffic comparison between ChatGPT and other leading websites 16

Figure 5. Monthly Visits and Unique Users 17

Figure 6. Aggregate Traffic by Category 18

Figure 7. ChatGPT Traffic by Country Income Group 20

Figure 8. Deepseek Traffic by Country Income Group 20

Figure 9. Distribution of ChatGPT Traffic by Country 21

Figure 10. ChatGPT monthly traffic growth decomposed by country (percentage) 22

Figure 11. ChatGPT traffic per internet user 23

Figure 12. Log Growth in ChatGPT Traffic per Internet User by Income Group 25

Figure 13. Extensive Margin by Income group (ChatGPT) 26

Figure 14. Intensive Margin by Income group (ChatGPT) 28

Figure 15. ChatGPT usage intensity by country: ChatGPT user share of Internet user vs. Chat-GPT visits per Chat-GPT user 29

Figure 16. Change in ChatGPT Visits per Internet User (2024 April-2025 April) 30

Figure 17. Traffic share of selected tools by Region 33

Appendix Tables 44

Table A1. Ranking of ChatGPT traffic, April 2025 and April 2024 44

Table A2. Ranking of Chatbot traffic, April 2025 and April 2024 45

Table A3. Ranking of ChatGPT traffic intensity, April 2025 V.S. April 2024 46

Appendix Figures 41

Figure A1. Monthly traffic trends by AI tool category 41

Figure A2. Treemap of GenAI tool usage by country (May 2025) 42

Figure A3/Figure A5. ChatGPT and other Search & News websites monthly traffic, relative to 2023m3 48