The number of women billionaires reaches an all-time high of 256 in the 2018 Forbes World's Billionaires List. These women make up for $1 trillion of the world's wealth.
Although the ones on the top of the list inherited their wealth, the number of self-made billionaires have gone up to 72 from last year's 56.
Richest woman in the world: Alice Walton
She is the only daughter of Sam Walton, the founder of Walmart. Under her leadership, Walmart is giving Amazon a tough competition in the USA after venturing into e-commerce.
Her networth is $46 billion and ranks 16th on the list of billionaires.
The self made women from the USA and China
Two-thirds of the women who are self-made billionaires, hail from USA and China.
Diane Hendricks from the USA started the country's largest roofing distributing company with her late husband, Kenneth. Since 2007, she has been running it alone and tripled the annual sales to over $8billion in a decade.
Hong Kong's Zhou Qunfei, who's networth is $7.8 billion, had to quit school to work in factories at the age of 16.
She later started her own watch lenses manufacturing business from her experience. She then moved to manufacturing glass covers for mobile phones. Her company Lens Technology now has Apple and Samsung as its customers
Richest woman in India
Savitri Jindal is the Chairperson Emiretus of Jindal Steel and Power Limited. She is the richest woman in India; ranked 176th in the world with $8.8 billion networth. She has inherited her wealth from her late husband O.P Jindal.
Kiran Mazumdar-Shaw is the second richest woman in India but the first self made woman billionaire. She ranks 629th on the list with $3.6 billion in fortune.
After completing her degree of master brewer from Federation University in Australia, she was offered a position in Scotland.
Before she could join, she met Leslie Auchincloss, the founder of Biocon Biochemicals Limited in Ireland.
Auchincloss was looking for an Indian entrepreneur to help establish an Indian subsidiary. Kiran Mazumdar agreed undertake the job on the condition that if she did not wish to continue after six months she would be guaranteed a brewmaster's position comparable to the one she was giving up.
After being a trainee manager at Biocon for a brief period, she started Biocon India in the garage of her rented house in Bangalore with a seed capital of Rs 10,000.
With a networth of $2.9 billion, Smita Crishna-Godrej ranked 822nd in the list. She is the sister of the Managing Director and Chairman of Godrej & Boyce, Jamshyd Naoroji Godrej.
She is the heir and chairman of privately held pharma company USV Private Limited. Her father started the company with Revlon in 1961.
She ranks 1,020th with a networth of $2.4 billion.
She owns a major stake in the energy and environment engineering company Thermax Ltd. Her father A. S. Bathena started the company. She was the chairperson from 1996 to 2004 before handing it over to her daughter Meher.