The Election Commission yesterday released the assets statements of Sharif for 2015 who as per law update the election body about their wealth.
The value of the assets owned by Sharif and his spouse comes to around Rs 2 billion - an increase of over a billion in just four years.
However, he does not own any property abroad.
The value of his assets in 2011 was Rs 166 million, which swelled to Rs 261.6 million in 2012 and then to Rs 1.82 billion in 2013, making him a declared billionaire.
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The prime minister is among the few billionaires in the National Assembly, the others being Petroleum Minister Shahid Khaqan Abbasi and Khyber Pakhtunkhwa lawmakers Khayal Zaman and Sajid Hussain Toori.
The Prime Minister owns a Toyota Land Cruiser, gifted to him by an unspecified individual, as well as two Mercedes vehicles, the Dawn reported.
The house he lives in is owned by his mother. He also has multiple foreign and local currency accounts, huge swathes of agricultural land and investments in industrial units such as sugar, textile and paper mills. He also declared, for the first time, ownership of birds and animals worth Rs 2 million.
The statements of assets were released amidst the ongoing controversy around the Panama Papers leak that has reportedly exposed the secret offshore dealings of around 140 political figures globally.
Three of Sharif's children were named in the 'Panama Papers' as having offshore holdings.
Sharif's two sons - Hassan and Hussain - live abroad and believed to be billionaires in their own right.
Property owned by Safdar, according to the ECP statement, is a BMW car, which was gifted to her by someone in the UAE, while her jewellery is worth Rs 1 million.
Another wealthy person from the Sharif family is Hamza Shahbaz Sharif, the prime minister's nephew and son of Punjab Chief Minister Shahbaz Sharif, having a net worth of Rs 342.6 million.