Both were, one or two generations back, substantially poorer than the UK. Abjectly poor in fact. They are now both richer than the UK – substantially so. GDP per capita in 2017 was Singapore $57,700, Hong Kong $46,200, UK $39,700. Their growth rates are substantially higher too – the gap is growing, not shrinking.
In fact, the low redistribution rich countries are the only ones that are growing at even the global average – all of the high redistribution states have had growth rates below that global average for decades now. And what is it that will determine the living standards of the poor in 20 and 30 years time? It’s going to be how rich is the economy being lived in, not whether 10 or 20% is sliced off the rich to give to the poor.