A/HRC/30/43 Japan through a statement on 5 November 2014, highlighting the importance of a human rights-based approach when addressing dementia, innovation in care and risk reduction. 9. On 16 and 17 March 2015, she delivered a keynote speech at the World Health Organization’s first Ministerial Conference on Global Action against Dementia, held in Geneva. She stressed the importance of considering older persons with dementia as rights holders and States as duty bearers with international obligations to respect, protect and promote human rights. The Independent Expert was pleased to note that, for the first time, States were integrating a human rights-based approach into their call for action against dementia, which was adopted on 17 March as an outcome of the conference. 10. The Independent Expert is mandated to pay particular attention to different groups of older persons, including refugees and climate-displaced persons, as well as persons facing conflict, emergency or disaster situations. On 18 March 2015, she participated in a side event in Geneva on the margins of the twenty-eighth session of the Human Rights Council, on “Building climate resilience: the rights of groups in focus”, organized jointly by OHCHR, Displacement Solutions and the Applied Research Association on Justice, Peace and Development. 11. On 11 June 2015, the Independent Expert participated in a follow-up expert roundtable discussion on “Climate displacement and human rights” at the Centre for Humanitarian Dialogue, Geneva. In her presentation, she highlighted the fact that older persons were disproportionately affected by climate change, and referred to initiatives that took into consideration the specific needs of older persons, such as the IASC (Inter-Agency Standing Committee) Operational Guidelines on the Protection of Persons in Situations of Natural Disasters, the Peninsula Principles on Climate Displacement within States, and the Sendai Framework for Disaster Risk Reduction 2015-2030, which had been adopted at the Third United Nations World Conference on Disaster Risk Reduction, held in Sendai, Japan, from 14 to 18 March 2015. 12. In accordance with her mandate, the Independent Expert also continued to work in close coordination with the Open-ended Working Group on Ageing, and attended its sixth session, which was held in New York from 14 to 16 July 2015. As a member of the panel on recent policy developments and initiatives concerning the human rights of older persons, she provided an overview of positive initiatives and remaining challenges for the full enjoyment of all human rights by older persons. III. Autonomy and care 13. It is estimated that by 2050 over 20 per cent of the world’s population will be 60 years of age or older. While the increase in the number of older persons will be the greatest and the most rapid in the developing world, Asia is the region with the largest number of older persons, and Africa is facing the largest proportionate growth. 14. In 2011, the Secretary-General, in his report on the follow-up to the Second World Assembly on Ageing, stated: With this in mind, enhanced attention to the particular needs and challenges faced by many older people is clearly required. Just as important, however, is the essential contribution the majority of older men and women can continue to make to the functioning of society if adequate guarantees are in place. Human rights lie at the core of all efforts in this regard.1 1 4 See A/66/173, para. 4.