Who is considered the most knowledgeable Marja Taqleed right now, and who is the second-most knowledgeable Marja at this time, according to most of the Ahlul Khibra and the learned Shia?

Marja'
Who is considered the most knowledgeable Marja Taqleed right now, and who is the second-most knowledgeable Marja at this time, according to most of the Ahlul Khibra and the learned Shia?
Zaid Alsalami, Shaykh Dr Zaid Alsalami is an Iraqi born scholar, raised in Australia. He obtained a BA from Al-Mustafa University, Qom, and an MA from the Islamic College in London. He also obtained a PhD from... Answered 6 years ago

Bismihi ta'ala

From what our respected 'Ulama in the Hawzah say, it is a bit difficult to specifically pinpoint who exactly is the "most learnt" from among our esteemed living Maraji', may Allah prolong their lives. 

On the topic of selecting a Marja', it is best that you refer to the rulings and following the correct criteria for your selection. It is not a difficult process, and it should not take a lot of your time. 

With prayers for your success.