The aggregate ad spending in the first five months of this year showed a 9.20 per cent drop from the same period last year, to only Bt41.03 billion.
In May, all segments witnessed a decline in ad spending compared to May last year, except the "Transit" category (mainly ads on trains and buses).
In Store ads witnessed the steepest decline, 49.26 per cent; followed by magazines (27.81 per cent) and newspapers (16.22 per cent).