Ireland's richest add billions to their fortunes 

According to Forbes World’s Billionaires List, there are more billionaires globally than ever before

Patrick and John Collison saw their individual estimated wealth grow to $7.2bn (€6.7bn) this year. 

Ireland’s wealthiest person saw their net worth climb by nearly $3bn over the last year while Stripe founders John and Patrick Collison also made gains, Forbes World’s Billionaires List has revealed.

According to the list, there are more billionaires globally than ever before with 2,781 people having fortunes that exceed $1bn (€920m) — an increase of 141 on the same time last year.