The state of California has seen a continuous increase in the proportion of its elderly population in recent years. According to a report by the Public Policy Institute of California (PPIC), it is expected that by 2040, approximately 22% of the state's total population will be aged 65 and older, a significant increase from the current 14%.

This aging trend is projected to have various social impacts, including increased demand for housing, healthcare, and other services, as well as stagnation in the population of working-age individuals. In particular, the working-age population between 14 and 64 is expected to remain largely unchanged by 2040, while the child and youth population is anticipated to decrease by 24%.

In response to these changes, the California state government is implementing various policies to prepare for an aging society. For example, in 2019, a basic plan for aging was established to address the needs of the elderly population in various areas such as housing, transportation, and healthcare services.

The five major issues arising from this aging trend are as follows:

Increased Demand for Healthcare Services
As the elderly population increases, the demand for healthcare services required by seniors surges. Consequently, the demand for hospitals and nursing facilities rises, which may lead to a situation where the existing healthcare infrastructure cannot accommodate the needs. Additionally, issues related to the quality and accessibility of healthcare services may worsen.

Housing Shortages and Rising Costs
In an aging society, the demand for housing suitable for seniors significantly increases. This leads to an explosive rise in the demand for senior-specific housing or nursing facilities, which can also cause price increases in the existing housing market. Furthermore, some elderly individuals may find it difficult to locate suitable housing due to mobility issues or economic hardships.

Social Isolation and Loneliness
With the increase in the elderly population, issues of social isolation and loneliness may intensify. Seniors are more likely to experience loneliness as their children live in different areas or as their circle of friends diminishes. This can lead to increased mental health issues and serious social problems such as rising suicide rates.

Economic Burden
As the elderly population grows, the government must spend more on pensions, healthcare costs, and welfare services. In particular, financial burdens may increase in programs like Social Security, which can ultimately lead to economic pressures such as tax increases.

Labor Shortages
As aging intensifies, it can impact the labor market. With an increasing number of retirees, labor shortages may occur, and there may be a lack of younger generations to fill these gaps. Additionally, there is an increasing burden to support the elderly population in continuing to work.

These issues are important challenges that need to be addressed through various policies and measures at the city and national levels.