BENGALURU: One is more likely to be happy if s/he is unmarried, young and in the high or middle-income group, shows a survey conducted to measure happiness levels in the city.According to the study conducted by city-based Centre for Sustainable Development (CSD), unmarried people (61.6%) are more likely to be happy when compared to their married counterparts (58.2%), and happiness sees a steady decline with increasing age. Those in the 18-25 age group are the happiest at 63%, while those above 60 years (56.5%) have the lowest percentage.Within the happy population, 26% reported that they were ‘very happy’, while 74% said they were ‘happy’.Around 1,800 people were surveyed in the city from across age groups, income brackets and relationship statuses. As per the survey, those aged 18-25 years, employed middle-aged women in the middle-income category and living in nuclear families tend to be happier. The survey was conducted over eight months in 2018.The study, which focussed on happiness index of individuals based on environment, governance, personal factors, social infrastructure and economic parameters, also states that personal happiness is the main contributor to overall happiness of people in the city.It also suggested that low-income groups are less happy (54.5%) as compared to middle (58.6%) and higher income groups (58.5%). Economic factors contribute marginally (8%) to the happiness of low-income groups as compared to middle (8.2%) and higher income groups (8.4%).