In June 2025, the canton of Basel-Stadt recorded a total of 149 deaths. The deaths were distributed between men and women with 69 men and 80 women passing away. The total population during this period was 208,811, resulting in a mortality rate of approximately 0.714 deaths per 1,000 inhabitants. The age group most impacted was the 90-94 age range, with a mortality rate of 16.1 per 1,000, while the highest absolute number of deaths occurred in the 85-89 age group, with 28 deaths.

Historically, for the month of June, the average number of deaths has been 161.5, with women averaging 91.07 deaths and men 70.43 deaths. The population figures for historic months are not specified, but the mortality rate can be inferred to be slightly higher than the current month given the higher average deaths. The most impacted age group historically is not detailed, but the data suggests a similar trend with higher mortality in older age groups.

Comparing June 2025 to historical averages, there is a noticeable decrease in total deaths from the average of 161.5 to 149. This reduction is reflected in both sexes, with men's deaths decreasing from an average of 70.43 to 69 and women's from 91.07 to 80. The mortality rate has consequently decreased, indicating an improvement in survival or health conditions. The age group most affected remains consistent with historical patterns, showing no significant deviation in age-related mortality trends. There are no unusual patterns or deviations observed in the data for June 2025 compared to historical records.