Al Jazeera, along with many other media organisations and press freedom groups, marks World Press Freedom Day on May 3. There has been an increase on previous years in the number of journalists who have been arrested, imprisoned and killed while working.
Al Jazeera supports the need for a free media, not least at a time when four of Al Jazeera's own staff have been detained in Egypt.
How much do you know about the sacrifices made by journalists in the fight for a free media? Click here to find out.
What is stopping journalists from telling their stories? Watch the debate on Al Jazeera here.
And to stay up to date with our imprisoned journalists' situation, visit our special page.