The newly launched Crewtoo Seafarers Happiness Index to monitor seafarer satisfaction rates it 6.42 on a scale of one to 10.

Big issues for seafarers are Internet access, stress and fatigue from increasing workloads and the lack of shore leave.

The index rates general happiness, contact with family, shore leave, wage levels, food, fitness, health, training, workload, and access to welfare facilities.

Started by Liverpool-based KVH Media Company subsidiary Crewtoo is a social media platform for seafarers..

It developed the data is on its first survey in the first three months of this year.

Subsequent reports will be published every three months based on surveys conducted on an ongoing basis, reports London's Tanker Operator.

Crew too began surveying 110,000 members in January and the responses were from globally based crews, and answers were received from across all ranks and nationalities including seafarers from the Philippines, UK, Poland, Croatia, Germany, US, Canada, India, Turkey and Africa.

The age of survey respondents ranged from 16 to the late 60s. Masters made up the largest proportion of responses by rank - some 11 per cent of respondents stated that they were currently serving as captain.