Abstract Background Vektis has the complete dataset about health care claims in the Netherlands. By using the health care claims we are able to give a factual insight in how many people in the Netherlands live with dementia and what kind of health care they use. By establishing the group living with dementia in the Netherlands we can give factual numbers about prevalence, incidence and healthcare consumption. We can do this on each required level: age, gender, region, living situation and so on. Method Vektis has data about all the healthcare claims in the Netherlands. i.e.: General practitioner and all other kinds of primary healthcare, hospital care, mental healthcare to nursing homes and home care. Vektis receives data from all the health insurance companies in the Netherlands. Based on this data we can provide, a complete picture of the healthcare used while ensuring anonymity. To establish the group of people having dementia we investigate which healthcare claims are related to dementia and if they can be used to include someone in the group of people having dementia. For the criteria see table 1. The model is discussed with experts and validated with international reviews on the prevalence of dementia, see figure 1 and 2. Result Using the above criteria we establish a total group of 256.000 people living with dementia during the year 2017. Based upon this model Vektis has delivered several reports to support healthcare providers, healthcare insurance companies, towns, patient federations and other healthcare parties in improving the dementia care in the Netherlands. Conclusion In this study we created an almost complete view on the group of people living with dementia in the Netherlands. This makes it possible to give insights in the integral healthcare of people living with dementia at every required level, intersection or slide. Next steps are forecasting and dashboards for regional partnerships.