I wanted to have a look at Greek's data to have an idea of the debt crisis' impact on various indicators.
Two of those indicators are national debt levels (in GDP% or in absolute value) and government deficit. I've verified data on this site, they are coherent with other sources like OECD.
So those sources says that debt is growing on the last few years :
Date Debt Debt (%GDP) Debt Per Capita
2018 334,721 181.20% 31,217€
2017 317,484 176.20% 29,558€
2016 315,009 178.50% 29,254€
So far so good, but on the deficit side, the data says that they are generating a surplus since 2016 :
Date Deficit (M.€) Deficit (%GDP)
2018 1,826 1.00%
2017 1,299 0.70%
2016 858 0.50%
2015 -9,953 -5.60%
So my question is the following, how can the government debt rise (especially in 2018) while the government is generating surplus instead of deficits?
I suspect some variations in the accounting definition of the national debt, but I don't find any publication supporting this (so if that's the case, I'd be happy to have them and to know where to find them).