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Growth, Decline and Extinction of UK Churches

Growth, Decline and Extinction of UK Churches
Church in Wales will be extinct in 12 years

By John Hayward
https://churchmodel.org.uk/2022/05/20/uk_church_decline_and_progressive_ideology/
May 21, 2022

Christianity is declining in the UK. In particular, the numbers participating in churches are decreasing each year. Of course, not all denominations are declining. A few are growing. What is the pattern of growth and decline across the UK denominations? And what does the future look like for these churches?

These are the types of questions my church growth models are designed to answer. This post will compare church growth and decline for the last five years of available membership data. Then, I will use the Limited Enthusiasm Model of church growth to estimate the strength of each church, represented by its "R" number. This number can indicate that a church is heading for extinction. Another method can estimate the extinction date. Finally, I will examine how churchmanship may influence growth and decline. (A second post will deal with the relationship between decline and progressive ideology.)

Some caveats. Firstly, models are based on assumptions. Thus, they are unlikely to capture a given church's membership dynamics fully. Usually, though, they are close enough. Secondly, models make forecasts, not predictions. There are always random events that prevent an accurate description of the church's numerical future. Also, the data is rarely that accurate or consistent. However, the forecasts can help churches examine their policies to enhance growth or combat decline.

UK Churches growth and decline

All bar two of the pre-1900 churches in this set are declining. Only the Free Church of Scotland and Seventh Day Adventists are growing. By contrast, all the post-1900 churches are growing. Have the older churches gone stale? Do the newer ones still retain some of the fire of their founders?

The Welsh denominations are doing particularly poorly: The Welsh Presbyterian, the Church in Wales and the Union of Welsh Independents. Are there some peculiar factors in Wales that act against Christianity?

Both decline and growth rates have stayed constant over many decades. I could have presented a similar chart twenty years ago! The main factor in church decline is the lack of conversions. These churches then get older, and their losses get worse due to higher death rates. Why have the declining churches been unable to increase conversions? How have the growing churches been able to sustain conversions?

Reproduction Potential

In 1999, I proposed that churches grow in a similar way to the spread of an infectious disease. The analogy works when existing church members add new members through personal contact, whether directly or indirectly. I called the model the "Limited Enthusiasm Model" as only a subset of the church recruit and only for a limited time. These people are called enthusiasts.

Three churches are increasing their numbers of enthusiasts; FIEC. Newfrontiers and the Elim Pentecostal Church. Although their R numbers are only just over one, that is typical for social diffusion. If they maintain this potential to convert, they could reach five times their current number by the end of the century. But they would have to keep this value for eighty years. Quite a challenge!

United Reformed church decline

The Baptists and Brethren should last until the end of the century. Their decline is slow, and there is hope that they could return to growth if they make conversions their priority.

Extinction date of UK churches

The Church of England and Catholics should last until the second half of the century. However, they need to take urgent action now. Stemming losses is not enough. None of us can prevent ageing! Whatever their current denominational emphases, they should put all aside to encourage members to make new disciples who can replicate themselves. Praying for an outpouring of the Holy Spirit would not go amiss either.

Sadly, the immediate future looks bleak for the Church in Wales, Church of Scotland, Episcopalians, Methodists, and older Welsh nonconformists. They need to seriously ask themselves how they have gotten themselves into a situation where extinction is less than 30 years away. What is wrong with their beliefs and practices that are stopping them from making converts? A quick about-turn is needed.

Growth & Decline by Churchmanship

Specifically, I am thinking of the balance of congregations with evangelical beliefs and those who are liberal. All the evangelical denominations are growing, except for the Brethren. By contrast, all the mixed denominations are declining, with the liberal ones declining the most. Is this because evangelical beliefs on judgement, salvation and Jesus as the only way drive their members to seek converts? Do liberal Christians have insufficient theological reasons to want to spread their faith?

In the 1980s, sociologist Dean Kelley proposed a theory that strict churches are stronger than lenient ones and are more likely to grow. His data showed that conservative evangelical churches in the USA were growing, but the liberals were declining. Nothing has changed. Theology influences behaviour, and there has been a substantial theological drift over time in the older churches. The data suggests that the declining churches are unlikely to survive unless they change their beliefs back to that of their founding fathers.

There is a challenge to evangelicals also. Do all members of evangelical churches know what they are meant to believe? How many are convinced by the realities of hell, heaven and salvation? Do they only talk about these things and do little practical evangelism?

Conclusion

With church decline still continuing after 60 years, I can't help feeling that God has a controversy with his people (Micah 6:2, AV). God is the author of church growth (1 Cor 3:6-7). Without his Spirit, not one conversion could take place. So, if we keep declining, and he is giving few conversions, we must ask why? Are we offending God? We need to take in the "writing on the wall" Or, as He puts it Himself :

IF MY PEOPLE, WHO ARE CALLED BY MY NAME, WILL HUMBLE THEMSELVES AND PRAY AND SEEK MY FACE AND TURN FROM THEIR WICKED WAYS, THEN I WILL HEAR FROM HEAVEN, AND I WILL FORGIVE THEIR SIN AND WILL HEAL THEIR LAND. (2 CHRON 7:14)

One thing is clear, if things carry on as they are, the future of Christianity does not lie in the hands of the older denominations. These products of the Reformation and Puritan times have run their course. They have fulfilled God's purposes and are no longer part of his plan. The Church of England will cease to be a national church, and the Churches of Scotland and Wales will disappear by the middle of this century. Instead, God will work through the next cycle of denominations -- Pentecostal and Evangelical ones, picking up the pieces left by the extinct historic churches.

Is that the future we want? Or could we envisage a future where God sends his Spirit on all denominations, restoring their beliefs, back under the Lordship of Jesus? A future where we finally had the courage to humble ourselves, pray, seek him and turn.

END

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