Japan Debt to GDP has passed the point of no return.
The Japanese public debt is around 175% of the GDP. Not much higher from that of the US (120% of the GDP). And when compared to Argentina, the inflation rates are much lower. So I don't think that the Japanese economy will crash soon.
That is an old statistic - their debt is already passed 235% of their GDP. You are counting total US debts of 105% vs 'only' public debt of 175%, which is not only erroneous but outdated because you fail to count their total debt while counting total debt of US.
Also, out of that 235% GDP debt, 10% or so belongs to outsiders. They constantly try to comfort themselves that they own most of the debt, yet 10% of 235% is 23.5% of their entire GDP. In contrast, about 30% of US debt (105% vs. 235%. Funny how you think 50% difference between 120 and 175 is 'not much) is owed to outsiders, but remember that for every dollar owed to outsiders, world owes 0.89 dollars back. Now add the fact that US bonds are incredibly low yield, and those US collects debts from are higher yield by orders of magnitude.
Finally, dollar being the world's premiere reserve currency is not as fragile or small as people like to think. It's fairly stable and strong, and you can easily say that inflations of the world far outpaces that of US by many times over. US has a robust economy and its birthrates are actually reversing, and not all of them are due to minority immigration and birth rates - majority birth rate is also starting to make a come back since the 90s and people are having more kids.
Considering that, you need to know argentina has been making many improvements to its financial systems openly with many painful but necessary changes. That vs. jap's complete unwillingness to admit to even the smallest mistakes in a really meaningful way means they are like a slowly sinking titanic. Also, the fact that their trade power was an aritifically created cold war construct to show case democratic financial system in the far east eludes most naive fools who think japs did it all on their own.
The correlation between when the jap economy began to really tank vs. the geopolitical changes of that time is too convenient to ignore, no matter how hard it is to swallow. There is a lot more going on in the background than people realize or see. Simply put, japs lost their value the moment soviet union fell.
While Argentina isn't exactly solid, they are at least trying. Japs are afraid to even look at the problem properly. Abenomics was an incredibly ignorant and foolish way to do anything, and didn't solve a damn thing in japan - in fact, their trade deficit is increasing, which is pretty much a death knell for a nation so dependent on trade. However, other nations such as US can more than depend on its political and economic power and domestic markets to at least maintain a bit of status quo. Right now, US printing money is hurting others because they have been taking advantage of cheaper exchange rates, but those cheating days are up - US basically put the foot down and forced them to pay back the back pay for all those benefits which it allowed previously due to geopolitical security climates. Case in point - US inflation rate has consistently stayed below 3%, more around 2% every year since the recession, while nations such as china who got rich off of exchange rates have and will continue to be haunted by incredible inflation to their food stuffs and basic economic necessities.
235% (probably higher now) and 23.5% of your GDP belonging to foreigners is, unlike for relatively big and self-sufficient economy such as US, a complete failure in a trade dependent nation like japan. They are finished, and have little chance to move any where even without any competition. Now count in the fact that rest of Asia is coming up fast behind them with china having already surpassed japan in economics long ago, and they have a very 'personal' stake in making japan economically and politically subservient.
They be fucked.
