The papers presented show that all European countries are experiencing rapidly aging populations that will cause sharp increases in the cost of retirement income over the next several decades.
European countries are showing as the populations grow older, retirement income will rapidly increase over the next few years.
There will be a rapid increase in the next few decades.  There will be only a small increase in the next few years.
( z1 show :ARG0 ( z2 country :location ( z3 continent :name ( z4 name :op "Europe" ) ) ) :ARG1 ( z5 increase :ARG1 ( z6 income :mod ( z7 retire ) ) :manner ( z8 rapid ) :time ( z9 over :op ( z10 few :op ( z11 temporal-quantity :quant 1 :unit ( z12 year :mod ( z13 next ) ) ) ) ) :time ( z14 grow :ARG1 ( z15 population ) :ARG2 ( z16 have-degree :ARG1 z15 :ARG2 ( z17 old ) :ARG3 ( z18 more ) ) ) ) )