About 58 percent of people buying private insurance plans through the Connecticut's exchange are between 45 and 64 years old. In the overall state population, only 28.5 percent are in that age range. (*Note: The age ranges for the data provided don't match up perfectly. In the population data, the ranges are 18-24 and 25-34. The Obamacare data uses the ranges 18-25 and 26-34.)