Each year, Forbes releases its World's Billionaires list, highlighting the wealthiest individuals globally based on their net worth.
The list of 2,781 individuals is based on the publication's Real-Time Billionaires rankings, which track the wealth of the world's richest people in real time.
Below are the five richest female billionaires in healthcare from the rankings, with their net worth as shown on July 9.
Zhong Huijuan
Overall rank on Forbes' World's Billionaires list released April 2: 334
Country: China
Real-time net worth as of July 9: $8.6 billion
Ms. Huijuan chairs Chinese drugmaker Hansoh Pharmaceutical.
Massimiliana Landini Aleotti & family
Overall rank on Forbes' World's Billionaires list released April 2: 344
Country: Italy
Real-time net worth as of July 9: $8.1 billion
Massimiliana Landini Aleotti and her children inherited pharmaceutical giant Menarini from her late husband 10 years ago.
Ronda Stryker
Overall rank on Forbes' World's Billionaires list released April 2: 312
Country: U.S.
Real-time net worth as of July 9: $7.8 billion
Ms. Stryker is the director of and the largest individual shareholder in Stryker Corp., a medical equipment company founded by her grandfather, Homer Stryker.
Dona Bertarelli
Overall rank on Forbes' World's Billionaires list released April 2: 469
Country: Switzerland
Real-time net worth as of July 9: $6.2 billion
Ms. Bertarelli's family's biotech business, Serono, sold in 2007 for more than $13 billion.
Jian Yao
Overall rank on Forbes' World's Billionaires list released April 2: 775
Country: China
Real-time net worth as of July 9: $3.9 billion
Ms. Jian obtained a minority stake in Mindray, a medical device company, when she and her husband divorced in 2020.