size of city = how much food?

Does anyone know the ratio of how much food = city growth?

I want to create a city of 7 million. So I am trying to figure out the total food output needed in the city’s surrounding squares to get it to grow to that level.

Thanks,

TETurkhan

I don't quite get your question. Each laborer/citizen requires two food to stay alive and not starve. Any extra food goes to the surplus box, and once the box is full, a new citizen is born. But you probably already knew that. If what you are asking is how many people there are in the population per citizen, I do not know. I don't even know if the population is based on the number of citizens, but it probably is.

the game increasing this amount all the time..
initially 1 citizen = 25000 people
but this amount goes up... so later 1 citizen is equal to 50000 people.. and keeps going from there...

now if I take the 2nd ratio (1 citizen = 50000 people)
then to get a city population of 7 million I will need to provide enough food for 140 citizens?

is that right?

The population figure (in the city view screen) varies by what age you are in (ancient, middle ages, industrial, modern). Also, I think it adds a little more by how much food you have in your food box.

Example: While at pop 1 you may have 10,000 and at 2 you have 20,000, the first number may be 11,000 or 12,000 if you have some food in your granary. When you get to the middle ages for a pop 1-2 city you may have a population of 100,000 or 200,000 instead of 10 or 20,000.

You would have to do some heavy testing to get the actual figures.

I think the increase is based probably on a percentage around 10-15%.

Here are some numbers I was able to figure out:

12.75 million population - 50 citizens - 255 000/citizen
8.2 million population - 40 citizens - 205 000/citizen
4.65 million population - 30 citizens - 155 000/citizen
2.1 million population - 20 citizens - 105 000/citizen
550 000 population - 10 citizens - 55 000/citizen
150 000 population - 5 citizens - 30 000/citizen

You can see the pattern from this and figure it out...

(this is very useful - big time!)


Population Box # = Population

Note : The "actual" population sometimes varies in relation to a given Population Box # by a few thousand citizens. Example: 1 = 48,000 & 2 = 40,000. Additionally, it may fluctuate each time you load a particular savegame. I do not know why that is, but I do know that it is annoying...

1 ~ 48,000
2 ~ 40,000
3 ~ 71,000
4 ~ 112,000
5 ~ 160,000
6 ~ 222,000
7 ~ 290,000
8 ~ 370,000
9 ~ 469,000
10 ~ 589,000
11 ~ 680,000
12 ~ 808,000
13 ~ 938,000
14 ~ 1,090,000
15 ~ 1,220,000
16 ~ 1,390,000
17 ~ 1,576,000
18 ~ 1,756,000
19 ~ 1,930,000
20 ~ 2,146,000
21 ~ 2,350,000
22 ~ 2,584,000
23 ~ 2,799,000
24 ~ 3,040,000
25 ~ 3,280,000
26 ~ 3,530,000
27 ~ 3,822,000
28 ~ 4,098,000
29 ~ 4,389,000
30 ~ 4,690,000
31 ~ 5,000,000
32 ~ 5,310,000
33 ~ 5,648,000
34 ~ 5,990,000
35 ~ 6,338,000
36 ~ 6,706,000
37 ~ 7,070,000
38 ~ 7,440,000
39 ~ 7,819,000
40 ~ 8,237,000
41 ~ 8,652,000
42 ~ 9,054,000
43 ~ 9,511,000
44 ~ 9,951,000
45 ~ 10,372,000
46 ~ 10,830,000
47 ~ 11,300,000
48 ~ 11,800,000
49 ~ 12,290,000
50 ~ 12,800,000

Note : The "actual" population sometimes varies in relation to a given Population Box # by a few thousand citizens. Example: 1 = 48,000 & 2 = 40,000. Additionally, it may fluctuate each time you load a particular savegame. I do not know why that is, but I do know that it is annoying...

Click to expand...

I stand by my assertion that it is based at least partially by how much food is in the grain box and what era you are in. Start a brand new game. Population will be at 10,000. End turn. Next turn you will be at 11 or 12,000 (this will vary by how much food you are producing). When I was doing the worker dogpiling, I was paying closer attention to what my population was. I noticed a massive change when I went to a new era. Perhaps, at size 1, the city had so much food stored up, that the little bonus from each food ended up being higher than the population bonus from going from size 1 with full food, than a city at size 2 with no food stored up? Middle ages you have a multiplier of 2, mayble? Example: size 1 (10,000 people) + 19 food stored up (19X2,000=38,000) equals 48,000 people. Size 2 starts at 40,000 and you had no food stored up so it stayed at 40,000? I would take a closer look at any food you had stored up in each city and if all cities were in the same era or not.

Edit: I mean if all the saves you loaded up were from the same era. Of course all cities from 1 save will be from the same era .

Teturkhan,

You are reposting quotes and information from other users without pointing to where you are getting this information. Some of these sources are of questionable technical validity.

When you copy something from another post of a post on POLY or CGN, please provide a reference back to the source so it will not be taken out of context like you are currently doing.

Bamspeedy is fairly knowledgeable in this area.

I think you are just manufacturing confusion here for your self and for others by using your current scattershooting approach.

First, we should acknowledge that you are talking about a fairly large single city and this may be another one of your detours in game land that may not be balancing the realities of how Civ3 works against your expectations of what "a city" is.

it says right in the post subject its from Provost Harrison, what do you need his address and telephone number?

I took his entire post, copied it, then pasted it here and made sure to include his name in the Post Subject.

Get off by back.

I don't care for your comments, nothing has been taken out of context, I simply saw formula that I felt was a service to all civ players and modders. If it is wrong, THEN DO US A SERVICE AND PROVE IT. But if not why are you once AGAIN get in the way of people contributing in some shape or form to this game?

Only you have a beef with such things.

What do you offer? An alternate formula? Some info? Anything? No, you just sit back and criticize.

In defense of Teturkhan, he borrowed from my post in answer to this same question he asked over at Apolyton. He, and anyone else had implied permission to do so...it's not like it's proprietous information. Further, I indirectly stated that the numbers I had were not exact, that other variables might be involved. I only gave aproximate numbers. I got them by using Gramphos' CivMultiToolv95 to adjust the pops of some of my cities in a game I was done with. It was an inexact effort, but it answered as fully as possible Teturkhan's question. Variables, schmariables...he just wanted to know what number in the city popbox would (about) equal 7 million people. That comes out to about the number 37.

As far as "citing his references," he did, both times. The material he borrowed from Provost started with, "Post by Provost Harrison," and the material he borrowed from me started with, "Post by DroseDars."

In response to Bamspeedy's quote selection from me: what I loaded was the exact same savegame, in the exact same era, in the exact same city(s), in the exact same turn. I started CivMultiToolv95, loaded the savegame I wanted to use, adjusted the populations (city#1 = pop1, city2=pop2, city3=pop3 etc...), saved the file over the original savegame, then loaded that savegame inside Civ and checked the numbers. Could I have found more exact number corelations? No. Why? Because there would have been too many variables to factor in to make it worth anyone's while, unless you where trying to get a very specific population to within a few thousand people. If anyone wants to be a Math Nazi about it, that's their perogative. I gave up being THAT anal about anything years ago. It was giving me ulcers and lots of stress-induced headaches, and I'm only twenty-one and a quater years old.

Pop = 10,000*n(n+1)/2 when food stored is empty, where n is equal to city size.

And for your original question.
7,000,000 = 10,000*n(n+1)/2 gives you n = 37.
So you need a size 37 city which means you need 74 food.
Divide that by 21 tiles, you need ~3.5 food per tile. You need lotsa of grassland I guess.