For nearly 60 years Open Doors has been working to support the persecuted church.
NBC shares those concerns, recognising that there are millions of Christians round the world who are at risk of persecution.
In many countries the situation is deteriorating.
It's latest update in 2016 confirmed that North Korea remains the most dangerous place on earth to be a Christian.
It has occupied this position for the last 14 years.
The rise of Islamic extremism in the Middle East and also in parts of Africa also presents great risks for Christians in these areas.
For more details see their website