Identify the trends that pertain to global demographics. Multiple select question. According to the Wall Street Journal, the working-age population will contract by nearly 5 percent worldwide by 2050. Elderly populations will spend income on housing and other capitally financed purchases. The amount of spending on health care-related services will keep on increasing rapidly. According to the Wall Street Journal, China will see a 20 percent increase in its working-class population by 2050