This is the 3457th most frequent Turkish word.
miktarı
The amount.
The word 'miktarı' in this sentence means 'number' or 'amount' referring to a countable noun, 'kuşların' (birds).
Gökyüzünde uçan kuşların miktarı azalmış.
The number of birds flying in the sky has decreased.
Here, 'miktarı' is used to denote 'amount' referring to uncountable noun, 'şeker' (sugar).
Pastanın içindeki şeker miktarı çok yüksek.
The amount of sugar in the cake is very high.
In this sentence, 'miktarı' refers to the monetary 'amount,' specifically related to 'para' (money).