IXUS: IShares Core MSCI Total International Stock ETF
The fund’s goal is to follow the MSCI ACWI ex USA IMI Index from emerging and developed countries.
VXUS or Vanguard Total International Stock Index Fund ETF Shares
The fund doesn’t include stocks from the US. It focuses on emerging and developed markets outside the US.
Various studies show that international exposure can help mitigate certain risks associated with a local fund, and it also opens up the possibility of better returns in the long term.