A Research Study to See How Well Semaglutide Helps People Who Have a Body Weight Above the Healthy Weight Range

Inclusion Criteria: * Age greater than or equal to 18 years at the time of signing informed consent. * Body mass index (BMI) of greater than or equal to 24 and less than 28 kilogram per square meter ( kg/m\^2) with the presence of at least one weight related complication (treated or untreated): Type 2 diabetes (T2D), hypertension, dyslipidaemia, obstructive sleep apnoea or cardiovascular disease or BMI greater than or equal to 28 and less 30 kg/m\^2, with or without weight related complications at screening. * History of at least one self-reported unsuccessful dietary effort to lose body weight. For participants with T2D at screening: \- Diagnosed with T2D greater than or equal to 180 days prior to the day of screening Treated with either: * Diet and exercise alone or with 1-3 marketed oral antidiabetic drugs (metformin, alpha glucosidase, Sulfonylureas (SU), glinides, sodium-glucose co-transporter 2 inhibitors (SGLT2i) or glitazone as a single agent or in combination) according to local label. * Treatment with oral anti-diabetic drugs should be stable (same drug(s) or active ingredient, dose, and dosing frequency) for at least 60 days before screening * Glycated haemoglobin (HbA1c) of less than or equal to 10.0 percent (less than or equal to 86 millimoles per mol \[mmol/mol\]) as measured by the central laboratory at screening. Exclusion Criteria: * A self-reported change in body weight greater than 5 kilograms (kg) within 90 days before screening irrespective of medi…