Population decline

Columns: Country | Population estimate ( 1 July 2020 ) | Avg annual rate of population change (% ) 2015-2020 | Notes
Moldova | 4,033,963 | −0.18 | ( includes the Pridnestrovian Moldavian Republic ) low birth rate , emigration | Poland | 37,846,611 | −0.10 | low birth rate , emigration | Portugal | 10,196,709 | −0.33 | low birth rate , population is old , economic crisis , emigration | Puerto Rico | 2,860,853 | −3.34 | low birth rate , population is old , economic crisis , emigration to the U.S. mainland , effects of Hurricane Maria | Romania | 19,237,691 | −0.70 | low birth rate , high death rate , high rate of abortion , emigration , population is old | Russia | 145,934,462 | +0.13 | high death rate , low birth rate , high rate of abortions , emigration and a low level of immigration until recently Population increased slightly since 2014 due to positive natural change and positive net migration rate

Example questions:
Which past age did humans first settle the population decline country with an estimated 2020 population of 3,280,819 ? | What was the Neolitic culture that occupied the population decline country with an estimated 2020 population of 6,948,445 ? | What percentage of the population decline country with an estimated 2020 population of 10,423,054 is mountainous ? | What is the Human Development Index of a population decline Country that significantly influenced Slavic cultures by developing the Cyrillic script ?

Answers:
Neolithic | Karanovo | Eighty | 0.813