As you seem not to have actually looked at the worldometers pages, which give the detail, here are the screen captures of the daily new infections for the UK and Spain, averaged over the last seven days.
The UK figure is 660, the Spanish figure is 1,302. So of late their infections are about twice ours.
However, their population is lower. 46.8M in Spain, 67.9M in the UK.
So average infection rates per day per hundred thousand population is 278 for Spain, 97 for the UK.
But that presupposes that we are accurately measuring infections, which we know we aren't.
Covid-19 supposedly has a mortality rate of about 1%. Well, maybe.
The UK has reported 299,426 cases and 45,752 deaths. That's a mortality rate of 15.27%
Spain has reported 319,501 cases and 28,432 deaths. That's a mortality rate of 8.90%
This suggests to me that our case numbers are grossly understated, or that our deaths are overstated.
Excess mortality figures suggest that our deaths are understated.
UK excess mortality is above 66,000, but Covid-19 deaths are 20,000 less than that.
Go figure.
I don't know the excess mortality figures for Spain.