Germany recorded more than 84 million people living in the country this year amid Russia's war on Ukraine. Wars in former Yugoslavia and the Middle East also caused Germany's population to spike in 1992 and 2015.
Greece has accused the EU of applying a double standard when dealing with Ukrainians fleeing the war, compared with the victims of other conflicts.
Many people have fled the war in Ukraine and headed to Germany, while more asylum seekers are arriving from other regions via southeastern Europe. Local authorities are feeling overwhelmed and are sounding the alarm.
The UN Refugee Agency UNHCR and UNICEF have reported that about 234,000 Ukrainian refugees were able to use protection and support services provided by 36 "Blue Dot" hubs across seven countries.
Not everyone who fled Ukraine has the same chance of staying in a European Union country. In Germany, the interim solution for non-Ukrainian refugees without a visa ended on August 31. Only three German states have found transitional arrangements so far. InfoMigrants looks at the legal situation and options for these migrants.
Around 6.6 million Ukrainians have fled abroad since Russia launched its invasion, another 6.6 million have been displaced internally, reports UN migration agency IOM. More than half of all non-EU foreigners who lived in Ukraine six months ago have fled the country.
Google said that it was basing its campaign on research by British psychologists, where viewers were exposed to "inoculating" clips. The campaign is centered on Poland, the Czech Republic and Slovakia.
Around 400 Ukrainians are being housed in a 'container village' on a former runway at Berlin’s disused Tempelhof airport as the German capital struggles to cope with an influx of refugees from the war-torn country. Officials say they are now urgently seeking permanent accommodation before the winter.
Finnish authorities report a record number of people seeking protection in the country after Russia's invasion of Ukraine.
A further 2,000 refugees from Ukraine are to be accepted in the German state of Saarland, however the ongoing housing crisis is making it harder for the local government to find suitable accommodation.
Ukrainian refugees in Germany can easily apply for a two-year residency permit.
Poland says it has observed a new migration trend along its border with Belarus. Officials say there is a rise in African nationals traveling first to Russia and then to Belarus in the hope of entering the EU using irregular means.