This two-volume set LNCS 11592 and 11593 constitutes the refereed proceedings of the 5th International Conference on Human Aspects of IT for the Aged Population, ITAP 2019, held in July 2019 as part of HCI International 2019 in Orlando, FL, USA. HCII 2019 received a total of 5029 submissions, of which 1275 papers and 209 posters were accepted for publication after a careful reviewing process. The 86 papers presented in these two volumes are organized in topical sections named: Design with and for the Elderly, Aging and Technology Acceptance, Aging and the User Experience, Elderly-Specific Web Design, Aging and Social Media, Games and Exergames for the Elderly, Ambient Assisted Living, Aging, Motion, Cognition, Emotion and Learning.

This two-volume set constitutes the refereed proceedings of the 8th International Conference on Human Aspects of IT for the Aged Population, ITAP 2022, held as part of the 24th International Conference, HCI International 2022, held as a virtual event, during June-July 2022. ITAP 2022 includes a total of 75 papers, which focus on topics related to designing for and with older users, technology acceptance and user experience of older users, use of social media and games by the aging population, as well as applications supporting health, wellbeing, communication, social participation and everyday activities. The papers are divided into the following topical sub-headings. Part I: Aging, Design and Gamification; Mobile, Wearable and Multimodal Interaction for Aging; Aging, Social Media and Digital Literacy; and Technology Acceptance and Adoption: Barriers and Facilitators for Older Adults Part II: Intelligent Environment for Daily Activities Support; Health and Wellbeing Technologies for the Elderly; and Aging, Communication and Social Interaction.

This two-volume set constitutes the refereed proceedings of the 7th International Conference on Human Aspects of IT for the Aged Population, ITAP 2021, held as part of the 23rd International Conference, HCI International 2021, held as a virtual event, in July 2021. The total of 1276 papers and 241 posters included in the 39 HCII 2021 proceedings volumes was carefully reviewed and selected from 5222 submissions. ITAP 2021 includes a total of 67 papers; they focus on topics related to designing for and with older users, technology acceptance and user experience of older users, use of social media and games by the aging population, as well as applications supporting health, wellbeing, communication, social participation and everyday activities.

The two LNCS volume set 9193-9194 constitutes the refereed proceedings of the First International Conference on Human Aspects of IT for the Aged Population, ITAP 2015, held as part of the 17th International Conference on Human-Computer Interaction, HCII 2015, held in Los Angeles, CA, USA, in August 2015, jointly with 15 other thematically conferences. The total of 1462 papers and 246 posters presented at the HCII 2015 conferences were carefully reviewed and selected from 4843 submissions. These papers of the two volume set address as follows: LNCS 9193, Design for Aging (Part I), addressing the following major topics: HCI design and evaluation methods for the elderly; ICT use and acceptance; aging, the web and social media; and the elderly and mobile devices and LNCS 9194, Design for Everyday Life (Part II), addressing the following major topics: health care technologies and services for the elderly; home and work support; smart environment and AAL; and communication, games, and entertainment.

This two-volume set of ITAP 2023, constitutes the refereed proceedings of the 9th International Conference on Human Aspects of IT for the Aged Population, ITAP 2023, held as Part of the 24th International Conference, HCI International 2023, which took place in July 2023 in Copenhagen, Denmark.The total of 1578 papers and 396 posters included in the HCII 2023 proceedings volumes was carefully reviewed and selected from 7472 submissions. The papers of ITAP 2023 Part I are organized in topical sections named: Designing and Assessing the Older Users' Experience; Aging and Social Media; Voice Assistants and Chatbots; Games and Exergames for Older People.

This three volume set of LNCS 12207, 12208 and 12209 constitutes the refereed proceedings of the 6th International Conference on Human Aspects of IT for the Aged Population, ITAP 2020, held as part of the 22nd International Conference, HCI International 2020, which took place in Copenhagen, Denmark, in July 2020. The conference was held virtually due to the COVID-19 pandemic. The total of 1439 papers and 238 posters have been accepted for publication in the HCII 2020 proceedings from a total of 6326 submissions. ITAP 2020 includes a total of 104 regular papers which are organized in topical sections named: Involving Older Adults in HCI Methodology , User Experience and Aging, Aging and Mobile and Wearable Devices, Health and Rehabilitation Technologies, Well-being, Persuasion, Health Education and Cognitive Support, Aging in Place, Cultural and Entertainment Experiences for Older Adults, Aging and Social Media, Technology Acceptance and Societal Impact.

This three volume set of LNCS 12207, 12208 and 12209 constitutes the refereed proceedings of the 6th International Conference on Human Aspects of IT for the Aged Population, ITAP 2020, held as part of the 22nd International Conference, HCI International 2020, which took place in Copenhagen, Denmark, in July 2020. The conference was held virtually due to the COVID-19 pandemic. The total of 1439 papers and 238 posters have been accepted for publication in the HCII 2020 proceedings from a total of 6326 submissions. ITAP 2020 includes a total of 104 regular papers which are organized in topical sections named: Involving Older Adults in HCI Methodology , User Experience and Aging, Aging and Mobile and Wearable Devices, Health and Rehabilitation Technologies, Well-being, Persuasion, Health Education and Cognitive Support, Aging in Place, Cultural and Entertainment Experiences for Older Adults, Aging and Social Media, Technology Acceptance and Societal Impact.