FACTSHEETS: 1. REASONS FOR PREVALENCE. 2. ORGANISATION OF A PREVALENCE STUDY. 3. THE PREVALENCE OF DEMENTIA. 4. THE DEMOGRAPHY OF AGEING AROUND THE WORLD. 5. CARING FOR PEOPLE WITH DEMENTIA AROUND THE WORLD. 6. ALZHEIMER`S DISEASE AND GENETICS. 7. PSYCHIATRIC AND BEHAVIOURAL DISTURBANCES IN DEMENTIA. 8. DRUG TREATMENTS IN DEMENTIA. CHARTER OF PRINCIPLES