The 2012 IRB Junior World Championship Competition was the fifth annual international rugby union competition Competition for Under 20 national teams .

The event Competition was organised Arranging in South Africa between 4 and 22 June 2012 by rugby 's governing body , the IRB .

After finishing Process_end last at the 2011 IRB Junior World Championship Competition , Tonga had been relegated to the IRB Junior World Trophy and therefore did n't participate Participation in this year 's event Competition .

After finishing Process_end last at the 2011 IRB Junior World Championship Competition , Tonga had been relegated to the IRB Junior World Trophy and therefore did n't participate Participation in this year 's event Competition .

They had been replaced Change with Samoa , who won the 2011 IRB Junior World Rugby Trophy .

Italy were relegated to the IRB Junior World Trophy for 2013 after losing Earnings_and_losses the last place play-off Competition to Fiji .

They were replaced Change in 2013 with the United States , winner of the 2012 IRB Junior World Rugby Trophy .