The study is conducted in Africa, Asia, Europe, Japan, North America and South America.

The multinational surveys will explore the experiences and unmet needs of people with diabetes, as well as those of family members of people with diabetes, and of healthcare professionals treating people with diabetes.

Inclusion Criteria:

• Adults aged at least 18 years with diabetes (type 1 or type 2: not only during pregnancy)
• Adults aged at least 18 years involved in the daily care of an adult (18 years or older) with diabetes (type 1 or type 2)
• General practitioners who personally treat at least 5 adults (18 years or older) with diabetes per month and initiate oral medication
• Diabetes specialists (endocrinologists/diabetologists) who personally treat at least 50 adults (18 years or older) with diabetes per month and prescribe oral medication, insulin or other injectable diabetes medications
• Diabetes educators (diabetes nurses/dieticians/other non-physician healthcare professionals) providing care for at least 5 adults (18 years or older) with diabetes per month
• Participants must have access to the internet, either at home or at a location convenient to them, or be able to attend a face-to-face or telephone interview, to participate in the survey
• Provision of informed consent before the start of any study-related activities

Exclusion Criteria:

• Individuals aged below 18 years and/or diagnosed with diabetes less than 12 months ago
• Inability to understand and comply with written and verbal instructions

The total core study population is intended to comprise 9540 people with diabetes, 2160 family members and 5040 healthcare professionals across the 18 countries participating in DAWN 2. The study population will be invited to participate by either web based or telephone recruitment, or if absolutely needed and deemed appropriate, physician recruitment (i.e. patients recruited by physicians will telephone call centres managed by the local survey research agency and will be screened by telephone).