| Circulars  | 
| 
 | Number 
 | Title | Source | Date | 
|  | [ 87 ] 
 | Data Hackathon - "Bridging the Digital Divide by Uncovering Digital Deserts" | Director, Telecommunication Development Bureau | 2025-10-08 | 
|  | [ 86 ] 
 | Invitation to participate in the training course on "Sustainable public procurement for school connectivity", 2-5 December 2025, Giga Connectivity Center, Geneva, Switzerland | Director, Telecommunication Development Bureau | 2025-10-08 | 
|  | [ 85 ] 
 | Launch of the ITU-IEEE GenAI for Good Challenge - Applications open from 7 October 2025 | Director, Telecommunication Development Bureau | 2025-10-01 | 
|  | [ 84 ] 
 | Launch of the Membership Survey on Strengthening the ITU Regional Presence | Director, Telecommunication Development Bureau | 2025-09-22 | 
|  | [ 83 ] 
 | Proposed Vice-Chairs for the Committees of the WTDC-25, Chairs and Vice-Chairs of the Telecommunication Development Advisory Board (TDAG) and ITU-D Study Groups | Director, Telecommunication Development Bureau | 2025-09-19 | 
|  | [ 82 ] 
 | Proposed Chairs and Vice-Chairs for the Committees of the WTDC-25, TDAG and Study Groups Please be informed that this letter and its attachments have been replaced by Circular Letter BDT/DDR/DER/083.
 | Director, Telecommunications Development Bureau | 2025-09-18 | 
|  | [ 81 ] 
 | The 3rd session of the quarterly Industry Connect Cross-Sector Dialogues on Gaming & Online Safety: Creating Safe and Inclusive Virtual Playgrounds, 30 October, 14:30 - 16:30 CET, Principality of Andorra (Hybrid Meeting) | Director, Telecommunication Development Bureau | 2025-09-11 | 
|  | [ 80 ] 
 | Call for Expressions of Interest to Host the First ITU Accessible World Global Summit (14-16 July 2026) | Director, Telecommunication Development Bureau | 2025-08-22 | 
|  | [ 79 ] 
 | Call for expressions of interest for the position of Chair of the Expert Group on Telecommunication/ICT Indicators (EGTI) | Director, Telecommunication Development Bureau | 2025-07-28 | 
|  | [ 78 ] 
 | Guidelines for the High-Level Segment of the World Telecommunication Development Conference (WTDC-25) in Baku, Republic of Azerbaijan, from 17 to 28 November 2025 | Director, Telecommunication Development Bureau | 2025-07-25 | 
|  | [ 77 ] 
 | Invitation to the second Inter-Regional Meeting (IRM-2) to prepare for the World Telecommunication Development Conference (WTDC), 29 September (virtually) | Director, Telecommunication Development Bureau | 2025-07-24 | 
|  | [ 76 ] (Rev.1)
 | Invitation to the ITU Global Youth Celebration, 16 November 2025, in Baku, Azerbaijan | Director, Telecommunication Development Bureau | 2025-07-14 | 
|  | [ 75 ] 
 | Extension of deadline for Candidates for chairs and vice-chairs of the Telecommunication Development Advisory Group (TDAG) and ITU-D study groups for 2026-2029 | Director, Telecommunication Development Bureau | 2025-07-11 | 
|  | [ 74 ] 
 | Invitation to take part in ITU Academy training opportunities | Director, Telecommunication Development Bureau | 2025-07-01 | 
|  | [ 73 ] 
 | Online session on 'Social Media & Child Protection: Addressing Risks, Responsibility, and Resilience' - 17 July 2025 from 14h00 to 16h00 CET | Director, Telecommunication Development Bureau | 2025-06-30 | 
|  | [ 72 ] 
 | Invitation to the first Inter-Regional Meeting (IRM-1) to prepare for the upcoming World Telecommunication Development Conference (WTDC-25), 14 July 2025 (virtually) | Director, Telecommunication Development Bureau | 2025-06-27 | 
|  | [ 71 ] 
 | Call for Interest to Engage in the Creating a Circular Economy for Electronics Programme | Director, Telecommunication Development Bureau | 2025-06-16 | 
|  | [ 70 ] (Rev.1)
 | Organizational arrangements for the World Telecommunication Development Conference (WTDC-25), Baku, Republic of Azerbaijan, 17 to 28 November 2025 | Director, Telecommunication Development Bureau | 2025-06-12 | 
|  | [ 69 ] 
 | Regional Briefing sessions for the World Telecommunication Development Conference (WTDC-25) | Director, Telecommunication, Development Bureau | 2025-06-02 | 
|  | [ 68 ] 
 | Invitation to the first Inter-Regional Meeting (IRM-1) to prepare for the World Telecommunication Development Conference (WTDC), 14-15 July (virtually) | Director, Telecommunication Development Bureau | 2025-05-28 | 
|  | [ 67 ] 
 | 16th meeting of the Expert Group on Telecommunication/ICT Indicators (EGTI) and 13th meeting of the Expert Group on ICT Household Indicators (EGH), 24-26 September 2025 Geneva, Switzerland | Director, Telecommunication Development Bureau | 2025-05-23 | 
|  | [ 66 ] 
 | Invitation to the 20th ITU World Telecommunication/ICT Indicators Symposium (WTIS-25)
Geneva, Switzerland, 22-23 September 2025 | Director, Telecommunication Development Bureau | 2025-05-23 | 
|  | [ 65 ] 
 | Online session on 'AI and Emerging Technologies: Prioritizing Children's Rights and
Safety' - 5 June 2025 14h00 to 16h00 CET | Director, Telecommunication Development Bureau | 2025-05-19 | 
|  | [ 64 ] 
 | ICT Development Index 2025 | Director, Telecommunication Development Bureau | 2025-05-16 | 
|  | [ 63 ] 
 | Consultation for the Global Symposium for Regulators (GSR-25) Best Practice Guidelines on "What does it take for regulators to become digital ecosystem builders?" | Director, Telecommunication Development Bureau | 2025-05-08 | 
|  | [ 62 ] 
 | Global Symposium for Regulators (GSR-25), 31 August to 3 September 2025, Riyadh, Saudi Arabia | Director, Telecommunication Development Bureau | 2025-04-29 | 
|  | [ 61 ] 
 | Applications open for ITU training course on "AI governance in practice: developing secure and innovative frameworks" | Director, Telecommunication Development Bureau | 2025-04-17 | 
|  | [ 60 ] 
 | Invitation to participate in the training workshop on "Applied geospatial tools for school connectivity", 19-23 May 2025, Giga Connectivity Center, Geneva, Switzerland. | Director, Telecommunication Development Bureau | 2025-04-04 | 
|  | [ 59 ] 
 | Candidates for chairs and vice-chairs of the Telecommunication Development Advisory Group (TDAG) and ITU-D study groups for 2026-2029 | Director, Telecommunication Development Bureau | 2025-04-02 | 
|  | [ 58 ] 
 | Upcoming virtual meetings of the Telecommunication Development Advisory Group (TDAG) Working Groups | Director, Telecommunication Development Bureau | 2025-04-01 | 
|  | [ 56 ] 
 | Invitation to participate in and contribute to the 2025 International Girls in ICT Day celebrations | Director, Telecommunication Development Bureau | 2025-03-06 | 
|  | [ 55 ] 
 |  | N/A | 2025-02-27 | 
|  | [ 54 ] 
 | Reminder: Upcoming virtual meetings of the TDAG Working Groups and change of date for TDAG-WG-ITUDP | Director, Telecommunication Development Bureau | 2025-02-27 | 
|  | [ 53 ] 
 | Invitation to take part in ITU Academy training opportunities | Director, Telecommunication Development Bureau | 2025-02-17 | 
|  | [ 52 ] 
 | ITU Global CyberDrill, Dubai, UAE, 06-08 May 2025 | Director, Telecommunications Development Bureau | 2025-02-17 | 
|  | [ 51 ] 
 | Invitation to the 32nd meeting of the Telecommunication Development Advisory Group (TDAG), Geneva, 12 to 16 May 2025 | Director, Telecommunication Development Bureau | 2025-02-07 | 
|  | [ 50 ] 
 | Two ITU-UN University-MERIT summer schools on "Evidence-based digital policies for universal and meaningful connectivity" and "Digital and green transitions", June 2025, Maastricht, the Netherlands | Director, Telecommunication Development Bureau | 2024-12-12 | 
|  | [ 49 ] 
 | Upcoming virtual meetings of the TDAG Working Groups and the Informal Coordination Group on the Youth Summit and the Global Celebration | Director, Telecommunication Development Bureau | 2024-12-05 | 
|  | [ 48 ] 
 | Updates on upcoming training related to school connectivity | Director, Telecommunication Development Bureau | 2024-12-05 | 
|  | [ 47 ] 
 | Virtual TECH TALKS by the Industry Advisory Group on Development Issues and Private Sector Chief Regulatory Officers' (IAGDI-CRO), 12 and 19 February 2025, 13h00-14h45 CET | Director, Telecommunication Development Bureau | 2024-12-05 | 
|  | [ 46 ] 
 | Invitation to the ITU Global Youth Summit (GYS-25), from 11 to 13 March 2025, in Varadero, Cuba | Director, Telecommunication Development Bureau | 2024-11-26 | 
|  | [ 45 ] 
 | Invitation to participate in the Empowering Women Leaders Mentorship Program, part of the Network of Women (NoW) in ITU-D | Director, Telecommunication Development Bureau | 2024-11-08 | 
|  | [ 44 ] 
 | Save the date for the 2025 edition of the Global Symposium for Regulators (GSR-25) | Director, Telecommunication Development Bureau | 2024-10-30 | 
|  | [ 43 ] 
 | ITU Project titled Connect Schools in Countries | Director, Telecommunication Development Bureau | 2024-10-29 | 
|  | [ 42 ] 
 | Invitation to the virtual Extra-ordinary Meeting of the Telecommunication Development Advisory Group (TDAG), 23 January 2025 | Director, Telecommunication Development Bureau | 2024-10-21 | 
|  | [ 41 ] 
 | Invitation to participate in and contribute to the ITU Global Youth Summit (GYS-25), 
from 11 to 13 March 2025, in Varadero, Cuba | Director, Telecommunication Development Bureau | 2024-10-16 | 
|  | [ 40 ] 
 | Upcoming virtual meetings of the TDAG Working Groups and the Informal Coordination Group on the Youth Summit and the Global Celebration | Director, Telecommunication Development Bureau | 2024-09-24 | 
|  | [ 39 ] 
 | Invitation to the CyberQ Conference "Security in the Quantum Era", from 12 to 13 November 2024, Abu Dhabi, United Arab Emirates | Director, Telecommunication Development Bureau | 2024-09-23 | 
|  | [ 38 ] 
 | Kick-off meeting of the TDAG Informal Coordination Group on the Global Youth Summit and the Global Celebration (TDAG-ICG-GYS) | Director, Telecommunication Development Bureau | 2024-09-20 | 
|  | [ 37 ] 
 | Regional Preparatory Meetings (RPMs) for the World Telecommunication Development Conference (WTDC-25) to be held back-to-back with Regional Development Forums (RDFs) | Director, Telecommunication Development Bureau | 2024-08-01 | 
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