More than 3,700,000 people have fled Ukraine since the start of the Russian invasion on February 24, the United Nations announced Friday, confirming a decrease in the number of border-crossers in recent days.

In total, more than 10 million people, or more than a quarter of the population in areas under government control before the invasion, are believed to have fled their homes, including 6.5 million internally displaced.

- 3,725,806-

The United Nations High Commissioner for Refugees said 3,725,806 people had fled Ukraine by noon (GMT), 50,854 more than Thursday's figures.

Since March 22, the number of people fleeing the fighting and difficult living conditions in Ukraine has fallen below 100,000 per day.

Europe has not seen such a rapid influx of refugees since World War II.

About 90 percent of those fleeing are women and children. The United Nations Children's Fund (UNICEF) confirmed that more than 1.5 million children have fled.

Before the invasion, about 37 million people lived in Ukraine in areas under Ukrainian control, that is, excluding Crimea, which Russia annexed in 2014, and the pro-Russian separatist areas in eastern Ukraine.

- Poland -

Poland alone hosts more than half of the refugees who have fled since the start of the Russian invasion of Ukraine, about 6 in 10.

Since February 24, 2,206,119 refugees have entered Poland, according to a UNHCR count, as of March 24.

About 200,000 refugees left Poland for other countries by train, which provides free services to refugees, the Polish railway operator announced Tuesday.

Before the crisis, Poland was receiving about 1.5 million Ukrainians, most of whom came to work in the European Union member country.

- Romania -

The United Nations High Commissioner for Refugees (UNHCR) indicated that 572,754 people have sought refuge in Romania, according to the latest census on March 24. Like Moldova, many of the refugees decide to move on.

- Moldova -

After arriving in Moldova, a small country of 2.6 million people that is one of the poorest in Europe, some of the refugees continue on to Romania or Hungary, often to join family members.

Moldova has received 376,748 refugees, according to UNHCR statistics.

- Hungary -

The UNHCR says about 336,701 Ukrainians have entered Hungary.

The country includes five border posts with Ukraine. Many border towns like Zahoni have converted public buildings into relief centers, where Hungarian civilians come to provide food or help.

- Slovakia -

As of March 24, 263,959 Ukrainians entered Slovakia, according to the United Nations High Commissioner for Refugees.

- Russia -

Some 271,254 people had sought refuge in Russia by 22 March.

UNHCR notes that 113,000 people crossed the Russian border from the pro-Russian separatist regions of Donetsk and Lugansk in eastern Ukraine between February 21 and 23.

- Belarus -

As of March 24, Belarus received 6,341 people.

- enumeration method -

UNHCR has removed the section on other European countries. It clarifies that for countries bordering Ukraine that are part of the Schengen area (Hungary, Poland and Slovakia), the figures given by the High Commissioner are for people who have crossed the border and entered the country.

UNHCR estimates that "a significant number of people have continued on to other countries".

In addition, it notes that it does not count people from neighboring countries who leave Ukraine to return home.